15315305252 has 36 divisors (see below), whose sum is σ = 29303951040. Its totient is φ = 6999943392.

The previous prime is 15315305233. The next prime is 15315305261. The reversal of 15315305252 is 25250351351.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40352 + ... + 179607.

It is an arithmetic number, because the mean of its divisors is an integer number (813998640).

Almost surely, 2^15315305252 is an apocalyptic number.

It is an amenable number.

15315305252 is a deficient number, since it is larger than the sum of its proper divisors (13988645788).

15315305252 is a wasteful number, since it uses less digits than its factorization.

15315305252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220092 (or 220077 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 15315305252 in words is "fifteen billion, three hundred fifteen million, three hundred five thousand, two hundred fifty-two".