15115256272 has 20 divisors (see below), whose sum is σ = 30230513536. Its totient is φ = 7313833440.

The previous prime is 15115256269. The next prime is 15115256281. The reversal of 15115256272 is 27265251151.

15115256272 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15236658 + ... + 15237649.

Almost surely, 2^15115256272 is an apocalyptic number.

It is an amenable number.

15115256272 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

15115256272 is a wasteful number, since it uses less digits than its factorization.

15115256272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30474346 (or 30474340 counting only the distinct ones).

The product of its digits is 42000, while the sum is 37.

The spelling of 15115256272 in words is "fifteen billion, one hundred fifteen million, two hundred fifty-six thousand, two hundred seventy-two".