36501113565 has 48 divisors (see below), whose sum is σ = 75485309760. Its totient is φ = 16686220320.

The previous prime is 36501113507. The next prime is 36501113569. The reversal of 36501113565 is 56531110563.

36501113565 is a `hidden beast` number, since 36 + 50 + 1 + 1 + 13 + 565 = 666.

It is not a de Polignac number, because 36501113565 - 2⁷ = 36501113437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36501113569) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2752351 + ... + 2765580.

It is an arithmetic number, because the mean of its divisors is an integer number (1572610620).

Almost surely, 2^36501113565 is an apocalyptic number.

36501113565 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

36501113565 is an abundant number, since it is smaller than the sum of its proper divisors (38984196195).

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

36501113565 is a wasteful number, since it uses less digits than its factorization.

36501113565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5517959 (or 5517946 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The spelling of 36501113565 in words is "thirty-six billion, five hundred one million, one hundred thirteen thousand, five hundred sixty-five".