255264641625 has 64 divisors (see below), whose sum is σ = 486439649280. Its totient is φ = 116452209600.

The previous prime is 255264641563. The next prime is 255264641647. The reversal of 255264641625 is 526146462552.

It is not a de Polignac number, because 255264641625 - 2⁶ = 255264641561 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1178536 + ... + 1378214.

It is an arithmetic number, because the mean of its divisors is an integer number (7600619520).

Almost surely, 2^255264641625 is an apocalyptic number.

255264641625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255264641625 is a deficient number, since it is larger than the sum of its proper divisors (231175007655).

255264641625 is a wasteful number, since it uses less digits than its factorization.

255264641625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200191 (or 200181 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 48.

The spelling of 255264641625 in words is "two hundred fifty-five billion, two hundred sixty-four million, six hundred forty-one thousand, six hundred twenty-five".