11657864574872 has 32 divisors (see below), whose sum is σ = 22819689090000. Its totient is φ = 5576302182528.

The previous prime is 11657864574859. The next prime is 11657864574943. The reversal of 11657864574872 is 27847546875611.

11657864574872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11657864574796 and 11657864574805.

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, 230476622 + ... + 230527197.

Almost surely, 2^{11657864574872} is an apocalyptic number.

It is an amenable number.

11657864574872 is a deficient number, since it is larger than the sum of its proper divisors (11161824515128).

11657864574872 is a wasteful number, since it uses less digits than its factorization.

11657864574872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461003963 (or 461003959 counting only the distinct ones).

The product of its digits is 632217600, while the sum is 71.

The spelling of 11657864574872 in words is "eleven trillion, six hundred fifty-seven billion, eight hundred sixty-four million, five hundred seventy-four thousand, eight hundred seventy-two".