255987164175 has 24 divisors (see below), whose sum is σ = 424841391744. Its totient is φ = 136007364960.

The previous prime is 255987164161. The next prime is 255987164189. The reversal of 255987164175 is 571461789552.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (255987164161) and next prime (255987164189).

It is not a de Polignac number, because 255987164175 - 2²² = 255982969871 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6469177 + ... + 6508626.

It is an arithmetic number, because the mean of its divisors is an integer number (17701724656).

Almost surely, 2^255987164175 is an apocalyptic number.

255987164175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

255987164175 is a deficient number, since it is larger than the sum of its proper divisors (168854227569).

255987164175 is a wasteful number, since it uses less digits than its factorization.

255987164175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12978079 (or 12978074 counting only the distinct ones).

The product of its digits is 21168000, while the sum is 60.

The spelling of 255987164175 in words is "two hundred fifty-five billion, nine hundred eighty-seven million, one hundred sixty-four thousand, one hundred seventy-five".