15113870520 has 64 divisors (see below), whose sum is σ = 51818987520. Its totient is φ = 3454598784.

The previous prime is 15113870483. The next prime is 15113870533. The reversal of 15113870520 is 2507831151.

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, 8995512 + ... + 8997191.

It is an arithmetic number, because the mean of its divisors is an integer number (809671680).

Almost surely, 2^15113870520 is an apocalyptic number.

15113870520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15113870520 is an abundant number, since it is smaller than the sum of its proper divisors (36705117000).

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

15113870520 is a wasteful number, since it uses less digits than its factorization.

15113870520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17992724 (or 17992720 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 33.

The spelling of 15113870520 in words is "fifteen billion, one hundred thirteen million, eight hundred seventy thousand, five hundred twenty".