255800750025 has 12 divisors (see below), whose sum is σ = 422923906832. Its totient is φ = 136427066640.

The previous prime is 255800750021. The next prime is 255800750027. The reversal of 255800750025 is 520057008552.

It is not a de Polignac number, because 255800750025 - 2² = 255800750021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255800750021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1705338259 + ... + 1705338408.

Almost surely, 2^255800750025 is an apocalyptic number.

255800750025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255800750025 is a deficient number, since it is larger than the sum of its proper divisors (167123156807).

255800750025 is a wasteful number, since it uses less digits than its factorization.

255800750025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410676680 (or 3410676675 counting only the distinct ones).

The product of its (nonzero) digits is 140000, while the sum is 39.

Adding to 255800750025 its reverse (520057008552), we get a palindrome (775857758577).

The spelling of 255800750025 in words is "two hundred fifty-five billion, eight hundred million, seven hundred fifty thousand, twenty-five".