Q: What is the negative version of the number 215,611,261?
A: -215,611,261
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:
| 215,611,259 | 215,611,260 | 215,611,262 | 215,611,263 |
| -215,611,259 | -215,611,260 | -215,611,262 | -215,611,263 |