255588610085 has 4 divisors (see below), whose sum is σ = 306706332108. Its totient is φ = 204470888064.

The previous prime is 255588610037. The next prime is 255588610103. The reversal of 255588610085 is 580016885552.

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

It can be written as a sum of positive squares in 2 ways, for example, as 170025924964 + 85562685121 = 412342^2 + 292511^2 .

It is a cyclic number.

It is not a de Polignac number, because 255588610085 - 2²⁴ = 255571832869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25558861004 + ... + 25558861013.

It is an arithmetic number, because the mean of its divisors is an integer number (76676583027).

Almost surely, 2^255588610085 is an apocalyptic number.

It is an amenable number.

255588610085 is a deficient number, since it is larger than the sum of its proper divisors (51117722023).

255588610085 is an equidigital number, since it uses as much as digits as its factorization.

255588610085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51117722022.

The product of its (nonzero) digits is 3840000, while the sum is 53.

The spelling of 255588610085 in words is "two hundred fifty-five billion, five hundred eighty-eight million, six hundred ten thousand, eighty-five".