13115316990528 has 84 divisors (see below), whose sum is σ = 37664567919888. Its totient is φ = 4363413200640.

The previous prime is 13115316990511. The next prime is 13115316990547. The reversal of 13115316990528 is 82509961351131.

It is a happy number.

13115316990528 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 53 + 1 + 69 + 9 + 0 + 528 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21467058 + ... + 22069553.

It is an arithmetic number, because the mean of its divisors is an integer number (448387713332).

Almost surely, 2^{13115316990528} is an apocalyptic number.

13115316990528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13115316990528 is an abundant number, since it is smaller than the sum of its proper divisors (24549250929360).

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

13115316990528 is a wasteful number, since it uses less digits than its factorization.

13115316990528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43537152 (or 43537139 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 54.

The spelling of 13115316990528 in words is "thirteen trillion, one hundred fifteen billion, three hundred sixteen million, nine hundred ninety thousand, five hundred twenty-eight".