253515231054 has 16 divisors (see below), whose sum is σ = 563367180240. Its totient is φ = 84505077000.

The previous prime is 253515231019. The next prime is 253515231077. The reversal of 253515231054 is 450132515352.

253515231054 is a `hidden beast` number, since 2 + 535 + 15 + 2 + 3 + 105 + 4 = 666.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2347363197 + ... + 2347363304.

It is an arithmetic number, because the mean of its divisors is an integer number (35210448765).

Almost surely, 2^253515231054 is an apocalyptic number.

253515231054 is an abundant number, since it is smaller than the sum of its proper divisors (309851949186).

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

253515231054 is a wasteful number, since it uses less digits than its factorization.

253515231054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4694726512 (or 4694726506 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 253515231054 in words is "two hundred fifty-three billion, five hundred fifteen million, two hundred thirty-one thousand, fifty-four".