255500555025 has 12 divisors (see below), whose sum is σ = 422427584432. Its totient is φ = 136266962640.

The previous prime is 255500554957. The next prime is 255500555071. The reversal of 255500555025 is 520555005552.

It is not a de Polignac number, because 255500555025 - 2⁸ = 255500554769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1703336959 + ... + 1703337108.

Almost surely, 2^255500555025 is an apocalyptic number.

255500555025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255500555025 is a deficient number, since it is larger than the sum of its proper divisors (166927029407).

255500555025 is a wasteful number, since it uses less digits than its factorization.

255500555025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3406674080 (or 3406674075 counting only the distinct ones).

The product of its (nonzero) digits is 312500, while the sum is 39.

The spelling of 255500555025 in words is "two hundred fifty-five billion, five hundred million, five hundred fifty-five thousand, twenty-five".