255165511131 has 12 divisors (see below), whose sum is σ = 371474551552. Its totient is φ = 168770888496.

The previous prime is 255165511093. The next prime is 255165511243. The reversal of 255165511131 is 131115561552.

255165511131 is a `hidden beast` number, since 2 + 5 + 5 + 1 + 6 + 5 + 511 + 131 = 666.

It is not a de Polignac number, because 255165511131 - 2¹⁵ = 255165478363 is a prime.

It is a super-2 number, since 2×255165511131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255165511331) 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, 111619816 + ... + 111622101.

Almost surely, 2^255165511131 is an apocalyptic number.

255165511131 is a deficient number, since it is larger than the sum of its proper divisors (116309040421).

255165511131 is a wasteful number, since it uses less digits than its factorization.

255165511131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223242050 (or 223242047 counting only the distinct ones).

The product of its digits is 22500, while the sum is 36.

The spelling of 255165511131 in words is "two hundred fifty-five billion, one hundred sixty-five million, five hundred eleven thousand, one hundred thirty-one".