255531425555 has 8 divisors (see below), whose sum is σ = 350443097952. Its totient is φ = 175221548928.

The previous prime is 255531425531. The next prime is 255531425561. The reversal of 255531425555 is 555524135552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255531425555 - 2¹² = 255531421459 is a prime.

It is a Duffinian number.

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, 3650448902 + ... + 3650448971.

It is an arithmetic number, because the mean of its divisors is an integer number (43805387244).

Almost surely, 2^255531425555 is an apocalyptic number.

255531425555 is a deficient number, since it is larger than the sum of its proper divisors (94911672397).

255531425555 is an equidigital number, since it uses as much as digits as its factorization.

255531425555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7300897885.

The product of its digits is 3750000, while the sum is 47.

The spelling of 255531425555 in words is "two hundred fifty-five billion, five hundred thirty-one million, four hundred twenty-five thousand, five hundred fifty-five".