15213038212056 has 32 divisors (see below), whose sum is σ = 38052476771760. Its totient is φ = 5068361905152.

The previous prime is 15213038211991. The next prime is 15213038212067. The reversal of 15213038212056 is 65021283031251.

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, 165630145 + ... + 165721968.

Almost surely, 2^{15213038212056} is an apocalyptic number.

It is an amenable number.

15213038212056 is an abundant number, since it is smaller than the sum of its proper divisors (22839438559704).

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

15213038212056 is a wasteful number, since it uses less digits than its factorization.

15213038212056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331354035 (or 331354031 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 15213038212056 in words is "fifteen trillion, two hundred thirteen billion, thirty-eight million, two hundred twelve thousand, fifty-six".