10972979888656 has 20 divisors (see below), whose sum is σ = 21267472133952. Its totient is φ = 5484599983136.

The previous prime is 10972979888609. The next prime is 10972979888677. The reversal of 10972979888656 is 65688897927901.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118074676 + ... + 118167571.

Almost surely, 2^{10972979888656} is an apocalyptic number.

10972979888656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10972979888656 is a deficient number, since it is larger than the sum of its proper divisors (10294492245296).

10972979888656 is a wasteful number, since it uses less digits than its factorization.

10972979888656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236245158 (or 236245152 counting only the distinct ones).

The product of its (nonzero) digits is 6584094720, while the sum is 85.

The spelling of 10972979888656 in words is "ten trillion, nine hundred seventy-two billion, nine hundred seventy-nine million, eight hundred eighty-eight thousand, six hundred fifty-six".