11500856056 has 32 divisors (see below), whose sum is σ = 21915866880. Its totient is φ = 5656860000.

The previous prime is 11500856033. The next prime is 11500856063. The reversal of 11500856056 is 65065800511.

It is a congruent number.

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, 388251 + ... + 416821.

It is an arithmetic number, because the mean of its divisors is an integer number (684870840).

Almost surely, 2^11500856056 is an apocalyptic number.

It is an amenable number.

11500856056 is a deficient number, since it is larger than the sum of its proper divisors (10415010824).

11500856056 is a wasteful number, since it uses less digits than its factorization.

11500856056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29395 (or 29391 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 37.

The spelling of 11500856056 in words is "eleven billion, five hundred million, eight hundred fifty-six thousand, fifty-six".