255217162375 has 64 divisors (see below), whose sum is σ = 368971739136. Its totient is φ = 172635840000.

The previous prime is 255217162363. The next prime is 255217162379. The reversal of 255217162375 is 573261712552.

It is not a de Polignac number, because 255217162375 - 2⁷ = 255217162247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255217162379) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22557970 + ... + 22569280.

It is an arithmetic number, because the mean of its divisors is an integer number (5765183424).

Almost surely, 2^255217162375 is an apocalyptic number.

255217162375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

255217162375 is a deficient number, since it is larger than the sum of its proper divisors (113754576761).

255217162375 is a wasteful number, since it uses less digits than its factorization.

255217162375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11681 (or 11671 counting only the distinct ones).

The product of its digits is 882000, while the sum is 46.

The spelling of 255217162375 in words is "two hundred fifty-five billion, two hundred seventeen million, one hundred sixty-two thousand, three hundred seventy-five".