255012052172 has 6 divisors (see below), whose sum is σ = 446271091308. Its totient is φ = 127506026084.

The previous prime is 255012052171. The next prime is 255012052237. The reversal of 255012052172 is 271250210552.

It is a super-2 number, since 2×255012052172² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255012052171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31876506518 + ... + 31876506525.

It is an arithmetic number, because the mean of its divisors is an integer number (74378515218).

Almost surely, 2^255012052172 is an apocalyptic number.

It is an amenable number.

255012052172 is a deficient number, since it is larger than the sum of its proper divisors (191259039136).

255012052172 is a wasteful number, since it uses less digits than its factorization.

255012052172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63753013047 (or 63753013045 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 32.

The spelling of 255012052172 in words is "two hundred fifty-five billion, twelve million, fifty-two thousand, one hundred seventy-two".