255125244520 has 64 divisors (see below), whose sum is σ = 585692629200. Its totient is φ = 99997900800.

The previous prime is 255125244497. The next prime is 255125244611. The reversal of 255125244520 is 25442521552.

255125244520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 162955927684 + 92169316836 = 403678^2 + 303594^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 255125244520.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66366 + ... + 717394.

Almost surely, 2^255125244520 is an apocalyptic number.

255125244520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255125244520 is an abundant number, since it is smaller than the sum of its proper divisors (330567384680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255125244520 is a wasteful number, since it uses less digits than its factorization.

255125244520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651238 (or 651234 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 37.

The spelling of 255125244520 in words is "two hundred fifty-five billion, one hundred twenty-five million, two hundred forty-four thousand, five hundred twenty".