15214125864 has 64 divisors (see below), whose sum is σ = 43709178240. Its totient is φ = 4322868480.

The previous prime is 15214125851. The next prime is 15214125907. The reversal of 15214125864 is 46852141251.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219759 + ... + 280574.

It is an arithmetic number, because the mean of its divisors is an integer number (682955910).

Almost surely, 2^15214125864 is an apocalyptic number.

15214125864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

15214125864 is an abundant number, since it is smaller than the sum of its proper divisors (28495052376).

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

15214125864 is a wasteful number, since it uses less digits than its factorization.

15214125864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500530 (or 500526 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The spelling of 15214125864 in words is "fifteen billion, two hundred fourteen million, one hundred twenty-five thousand, eight hundred sixty-four".