10915681656 has 64 divisors (see below), whose sum is σ = 30064867200. Its totient is φ = 3275024000.

The previous prime is 10915681639. The next prime is 10915681663. The reversal of 10915681656 is 65618651901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178026 + ... + 231353.

It is an arithmetic number, because the mean of its divisors is an integer number (469763550).

Almost surely, 2^10915681656 is an apocalyptic number.

It is an amenable number.

10915681656 is an abundant number, since it is smaller than the sum of its proper divisors (19149185544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10915681656 is a wasteful number, since it uses less digits than its factorization.

10915681656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409500 (or 409496 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 48.

The spelling of 10915681656 in words is "ten billion, nine hundred fifteen million, six hundred eighty-one thousand, six hundred fifty-six".