15252923856 has 40 divisors (see below), whose sum is σ = 39417017824. Its totient is φ = 5082549120.

The previous prime is 15252923783. The next prime is 15252923887. The reversal of 15252923856 is 65832925251.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 89130 + ... + 196086.

Almost surely, 2^15252923856 is an apocalyptic number.

15252923856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15252923856 is an abundant number, since it is smaller than the sum of its proper divisors (24164093968).

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

15252923856 is a wasteful number, since it uses less digits than its factorization.

15252923856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109939 (or 109933 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 48.

The spelling of 15252923856 in words is "fifteen billion, two hundred fifty-two million, nine hundred twenty-three thousand, eight hundred fifty-six".