11500656072 has 64 divisors (see below), whose sum is σ = 30277632000. Its totient is φ = 3630256704.

The previous prime is 11500656049. The next prime is 11500656073. The reversal of 11500656072 is 27065600511.

It is not an unprimeable number, because it can be changed into a prime (11500656073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1630329 + ... + 1637367.

It is an arithmetic number, because the mean of its divisors is an integer number (473088000).

Almost surely, 2^11500656072 is an apocalyptic number.

11500656072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11500656072 is an abundant number, since it is smaller than the sum of its proper divisors (18776975928).

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

11500656072 is a wasteful number, since it uses less digits than its factorization.

11500656072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10650 (or 10646 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 11500656072 in words is "eleven billion, five hundred million, six hundred fifty-six thousand, seventy-two".