255018512872 has 8 divisors (see below), whose sum is σ = 478159711650. Its totient is φ = 127509256432.

The previous prime is 255018512857. The next prime is 255018512873. The reversal of 255018512872 is 278215810552.

It can be written as a sum of positive squares in only one way, i.e., 220687611076 + 34330901796 = 469774^2 + 185286^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (255018512873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15938657047 + ... + 15938657062.

Almost surely, 2^255018512872 is an apocalyptic number.

It is an amenable number.

255018512872 is a deficient number, since it is larger than the sum of its proper divisors (223141198778).

255018512872 is a wasteful number, since it uses less digits than its factorization.

255018512872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31877314115 (or 31877314111 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 46.

The spelling of 255018512872 in words is "two hundred fifty-five billion, eighteen million, five hundred twelve thousand, eight hundred seventy-two".