113637626365 has 4 divisors (see below), whose sum is σ = 136365151644. Its totient is φ = 90910101088.

The previous prime is 113637626359. The next prime is 113637626383. The reversal of 113637626365 is 563626736311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23746193604 + 89891432761 = 154098^2 + 299819^2 .

It is a cyclic number.

It is not a de Polignac number, because 113637626365 - 2¹⁹ = 113637102077 is a prime.

It is a super-2 number, since 2×113637626365² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11363762632 + ... + 11363762641.

It is an arithmetic number, because the mean of its divisors is an integer number (34091287911).

Almost surely, 2^113637626365 is an apocalyptic number.

It is an amenable number.

113637626365 is a deficient number, since it is larger than the sum of its proper divisors (22727525279).

113637626365 is an equidigital number, since it uses as much as digits as its factorization.

113637626365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22727525278.

The product of its digits is 2449440, while the sum is 49.

The spelling of 113637626365 in words is "one hundred thirteen billion, six hundred thirty-seven million, six hundred twenty-six thousand, three hundred sixty-five".