13115314974 has 16 divisors (see below), whose sum is σ = 26269613712. Its totient is φ = 4365274368.

The previous prime is 13115314967. The next prime is 13115314981. The reversal of 13115314974 is 47941351131.

It is an interprime number because it is at equal distance from previous prime (13115314967) and next prime (13115314981).

It is a super-2 number, since 2×13115314974² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1619949 + ... + 1628024.

It is an arithmetic number, because the mean of its divisors is an integer number (1641850857).

Almost surely, 2^13115314974 is an apocalyptic number.

13115314974 is an abundant number, since it is smaller than the sum of its proper divisors (13154298738).

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

13115314974 is a wasteful number, since it uses less digits than its factorization.

13115314974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248651.

The product of its digits is 45360, while the sum is 39.

The spelling of 13115314974 in words is "thirteen billion, one hundred fifteen million, three hundred fourteen thousand, nine hundred seventy-four".