36565661355 has 16 divisors (see below), whose sum is σ = 58648112160. Its totient is φ = 19454001408.

The previous prime is 36565661273. The next prime is 36565661381. The reversal of 36565661355 is 55316656563.

It is a happy number.

It is not a de Polignac number, because 36565661355 - 2¹⁷ = 36565530283 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36565661298 and 36565661307.

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, 2973952 + ... + 2986221.

It is an arithmetic number, because the mean of its divisors is an integer number (3665507010).

Almost surely, 2^36565661355 is an apocalyptic number.

36565661355 is a deficient number, since it is larger than the sum of its proper divisors (22082450805).

36565661355 is a wasteful number, since it uses less digits than its factorization.

36565661355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5960590.

The product of its digits is 7290000, while the sum is 51.

The spelling of 36565661355 in words is "thirty-six billion, five hundred sixty-five million, six hundred sixty-one thousand, three hundred fifty-five".