15231502345264 has 20 divisors (see below), whose sum is σ = 31246979076504. Its totient is φ = 7167765809408.

The previous prime is 15231502345253. The next prime is 15231502345321. The reversal of 15231502345264 is 46254320513251.

It is a self number, because there is not a number n which added to its sum of digits gives 15231502345264.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27999084922 + ... + 27999085465.

Almost surely, 2^{15231502345264} is an apocalyptic number.

It is an amenable number.

15231502345264 is an abundant number, since it is smaller than the sum of its proper divisors (16015476731240).

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

15231502345264 is a wasteful number, since it uses less digits than its factorization.

15231502345264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55998170412 (or 55998170406 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 15231502345264 in words is "fifteen trillion, two hundred thirty-one billion, five hundred two million, three hundred forty-five thousand, two hundred sixty-four".