diff --git a/crates/doc/src/text.rs b/crates/doc/src/text.rs
index 097dd189..458426ad 100644
--- a/crates/doc/src/text.rs
+++ b/crates/doc/src/text.rs
@@ -60,6 +60,9 @@ impl LetterSpacing {
 }
 
 pub fn trim_num(v: f64) -> String {
+    if v.abs() >= 9.0e18 {
+        return format!("{v}");
+    }
     let r = (v * 100.0).round() / 100.0;
     if r.fract().abs() < 1e-9 { format!("{}", r as i64) } else { format!("{r}") }
 }
@@ -760,6 +763,15 @@ impl TextData {
 mod case_tests {
     use super::*;
 
+    #[test]
+    fn trim_num_prints_huge_whole_numbers() {
+        assert_eq!(trim_num(1e19), "10000000000000000000");
+        assert_eq!(trim_num(-1e19), "-10000000000000000000");
+        assert_eq!(trim_num(12.0), "12");
+        let v = 12345678901234567890.0_f64;
+        assert_eq!(trim_num(v).parse::<f64>().unwrap(), v);
+    }
+
     #[test]
     fn title_case_respects_context() {
         assert_eq!(TextCase::Title.apply("hello wORLD don't 3d x-ray"), "Hello WORLD Don't 3d X-Ray");