255550245225 has 24 divisors (see below), whose sum is σ = 460919716512. Its totient is φ = 123903148800.

The previous prime is 255550245199. The next prime is 255550245253. The reversal of 255550245225 is 522542055552.

It is not a de Polignac number, because 255550245225 - 2⁵ = 255550245193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154878112 + ... + 154879761.

It is an arithmetic number, because the mean of its divisors is an integer number (19204988188).

Almost surely, 2^255550245225 is an apocalyptic number.

255550245225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255550245225 is a deficient number, since it is larger than the sum of its proper divisors (205369471287).

255550245225 is a wasteful number, since it uses less digits than its factorization.

255550245225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309757897 (or 309757892 counting only the distinct ones).

The product of its (nonzero) digits is 1000000, while the sum is 42.

The spelling of 255550245225 in words is "two hundred fifty-five billion, five hundred fifty million, two hundred forty-five thousand, two hundred twenty-five".