255551123351024 has 20 divisors (see below), whose sum is σ = 495150234242160. Its totient is φ = 127770417740160.

The previous prime is 255551123350979. The next prime is 255551123351047. The reversal of 255551123351024 is 420153321155552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321086084 + ... + 321880995.

It is an arithmetic number, because the mean of its divisors is an integer number (24757511712108).

Almost surely, 2^{255551123351024} is an apocalyptic number.

It is an amenable number.

255551123351024 is a deficient number, since it is larger than the sum of its proper divisors (239599110891136).

255551123351024 is a wasteful number, since it uses less digits than its factorization.

255551123351024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642991928 (or 642991922 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 44.

The spelling of 255551123351024 in words is "two hundred fifty-five trillion, five hundred fifty-one billion, one hundred twenty-three million, three hundred fifty-one thousand, twenty-four".