201655705675131 has 12 divisors (see below), whose sum is σ = 291937981735608. Its totient is φ = 134133667278624.

The previous prime is 201655705675121. The next prime is 201655705675139. The reversal of 201655705675131 is 131576507556102.

201655705675131 is a `hidden beast` number, since 2 + 0 + 1 + 6 + 5 + 5 + 70 + 56 + 7 + 513 + 1 = 666.

It is not a de Polignac number, because 201655705675131 - 2²³ = 201655697286523 is a prime.

It is a super-2 number, since 2×201655705675131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201655705675139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25289148970 + ... + 25289156943.

It is an arithmetic number, because the mean of its divisors is an integer number (24328165144634).

Almost surely, 2^{201655705675131} is an apocalyptic number.

201655705675131 is a deficient number, since it is larger than the sum of its proper divisors (90282276060477).

201655705675131 is a wasteful number, since it uses less digits than its factorization.

201655705675131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50578306362 (or 50578306359 counting only the distinct ones).

The product of its (nonzero) digits is 6615000, while the sum is 54.

The spelling of 201655705675131 in words is "two hundred one trillion, six hundred fifty-five billion, seven hundred five million, six hundred seventy-five thousand, one hundred thirty-one".