13116537635765 has 16 divisors (see below), whose sum is σ = 15978908814336. Its totient is φ = 10334942232000.

The previous prime is 13116537635693. The next prime is 13116537635797. The reversal of 13116537635765 is 56753673561131.

It is not a de Polignac number, because 13116537635765 - 2³⁴ = 13099357766581 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 67896587 + ... + 68089496.

It is an arithmetic number, because the mean of its divisors is an integer number (998681800896).

Almost surely, 2^{13116537635765} is an apocalyptic number.

It is an amenable number.

13116537635765 is a deficient number, since it is larger than the sum of its proper divisors (2862371178571).

13116537635765 is a wasteful number, since it uses less digits than its factorization.

13116537635765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135986380.

The product of its digits is 35721000, while the sum is 59.

The spelling of 13116537635765 in words is "thirteen trillion, one hundred sixteen billion, five hundred thirty-seven million, six hundred thirty-five thousand, seven hundred sixty-five".