11513839713 has 32 divisors (see below), whose sum is σ = 16567182720. Its totient is φ = 7086873600.

The previous prime is 11513839703. The next prime is 11513839717. The reversal of 11513839713 is 31793831511.

It is not a de Polignac number, because 11513839713 - 2⁸ = 11513839457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11513839717) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 551206 + ... + 571712.

It is an arithmetic number, because the mean of its divisors is an integer number (517724460).

Almost surely, 2^11513839713 is an apocalyptic number.

It is an amenable number.

11513839713 is a deficient number, since it is larger than the sum of its proper divisors (5053343007).

11513839713 is a wasteful number, since it uses less digits than its factorization.

11513839713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20737.

The product of its digits is 68040, while the sum is 42.

The spelling of 11513839713 in words is "eleven billion, five hundred thirteen million, eight hundred thirty-nine thousand, seven hundred thirteen".