Q: What is the negative version of the number 215,511,869?
A: -215,511,869
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 215,511,867 | 215,511,868 | 215,511,870 | 215,511,871 |
| -215,511,867 | -215,511,868 | -215,511,870 | -215,511,871 |