15072156120 has 64 divisors (see below), whose sum is σ = 51675966720. Its totient is φ = 3445064064.

The previous prime is 15072156103. The next prime is 15072156133. The reversal of 15072156120 is 2165127051.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent 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, 8970682 + ... + 8972361.

It is an arithmetic number, because the mean of its divisors is an integer number (807436980).

Almost surely, 2^15072156120 is an apocalyptic number.

15072156120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15072156120 is an abundant number, since it is smaller than the sum of its proper divisors (36603810600).

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

15072156120 is a wasteful number, since it uses less digits than its factorization.

15072156120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17943064 (or 17943060 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The spelling of 15072156120 in words is "fifteen billion, seventy-two million, one hundred fifty-six thousand, one hundred twenty".