Q: What is the negative version of the number 215,887,911?
A: -215,887,911
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:
| 215,887,909 | 215,887,910 | 215,887,912 | 215,887,913 |
| -215,887,909 | -215,887,910 | -215,887,912 | -215,887,913 |