255838025025 has 144 divisors (see below), whose sum is σ = 505313640000. Its totient is φ = 122704550400.

The previous prime is 255838025021. The next prime is 255838025033. The reversal of 255838025025 is 520520838552.

255838025025 is a `hidden beast` number, since 25 + 583 + 8 + 0 + 25 + 0 + 25 = 666.

It is not a de Polignac number, because 255838025025 - 2² = 255838025021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (255838025021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 99199186 + ... + 99201764.

It is an arithmetic number, because the mean of its divisors is an integer number (3509122500).

Almost surely, 2^255838025025 is an apocalyptic number.

255838025025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255838025025 is a deficient number, since it is larger than the sum of its proper divisors (249475614975).

255838025025 is a wasteful number, since it uses less digits than its factorization.

255838025025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024 (or 3016 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 45.

The spelling of 255838025025 in words is "two hundred fifty-five billion, eight hundred thirty-eight million, twenty-five thousand, twenty-five".