11500720968 has 32 divisors (see below), whose sum is σ = 31365603360. Its totient is φ = 3485066880.

The previous prime is 11500720943. The next prime is 11500720997. The reversal of 11500720968 is 86902700511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21781405 + ... + 21781932.

It is an arithmetic number, because the mean of its divisors is an integer number (980175105).

Almost surely, 2^11500720968 is an apocalyptic number.

It is an amenable number.

11500720968 is an abundant number, since it is smaller than the sum of its proper divisors (19864882392).

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

11500720968 is a wasteful number, since it uses less digits than its factorization.

11500720968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43563357 (or 43563353 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The spelling of 11500720968 in words is "eleven billion, five hundred million, seven hundred twenty thousand, nine hundred sixty-eight".