255252555412520 has 32 divisors (see below), whose sum is σ = 574325691844320. Its totient is φ = 102099699113280.

The previous prime is 255252555412513. The next prime is 255252555412607. The reversal of 255252555412520 is 25214555252552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38217026 + ... + 44396465.

It is an arithmetic number, because the mean of its divisors is an integer number (17947677870135).

Almost surely, 2^{255252555412520} is an apocalyptic number.

255252555412520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255252555412520 is an abundant number, since it is smaller than the sum of its proper divisors (319073136431800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255252555412520 is a wasteful number, since it uses less digits than its factorization.

255252555412520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82690745 (or 82690741 counting only the distinct ones).

The product of its (nonzero) digits is 10000000, while the sum is 50.

The spelling of 255252555412520 in words is "two hundred fifty-five trillion, two hundred fifty-two billion, five hundred fifty-five million, four hundred twelve thousand, five hundred twenty".