255104255555 has 4 divisors (see below), whose sum is σ = 306125106672. Its totient is φ = 204083404440.

The previous prime is 255104255551. The next prime is 255104255561. The reversal of 255104255555 is 555552401552.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 255104255555 - 2² = 255104255551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255104255551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25510425551 + ... + 25510425560.

It is an arithmetic number, because the mean of its divisors is an integer number (76531276668).

Almost surely, 2^255104255555 is an apocalyptic number.

255104255555 is a deficient number, since it is larger than the sum of its proper divisors (51020851117).

255104255555 is an equidigital number, since it uses as much as digits as its factorization.

255104255555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51020851116.

The product of its (nonzero) digits is 1250000, while the sum is 44.

The spelling of 255104255555 in words is "two hundred fifty-five billion, one hundred four million, two hundred fifty-five thousand, five hundred fifty-five".