36811118965 has 4 divisors (see below), whose sum is σ = 44173342764. Its totient is φ = 29448895168.

The previous prime is 36811118951. The next prime is 36811118983. The reversal of 36811118965 is 56981111863.

It is a happy number.

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 20120287716 + 16690831249 = 141846^2 + 129193^2 .

It is a cyclic number.

It is not a de Polignac number, because 36811118965 - 2²⁹ = 36274248053 is a prime.

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, 3681111892 + ... + 3681111901.

It is an arithmetic number, because the mean of its divisors is an integer number (11043335691).

Almost surely, 2^36811118965 is an apocalyptic number.

It is an amenable number.

36811118965 is a deficient number, since it is larger than the sum of its proper divisors (7362223799).

36811118965 is an equidigital number, since it uses as much as digits as its factorization.

36811118965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7362223798.

The product of its digits is 311040, while the sum is 49.

The spelling of 36811118965 in words is "thirty-six billion, eight hundred eleven million, one hundred eighteen thousand, nine hundred sixty-five".