252613321578125 has 56 divisors (see below), whose sum is σ = 316462799224320. Its totient is φ = 201642924600000.

The previous prime is 252613321578103. The next prime is 252613321578151. The reversal of 252613321578125 is 521875123316252.

It is not a de Polignac number, because 252613321578125 - 2⁶ = 252613321578061 is a prime.

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 55 ways as a sum of consecutive naturals, for example, 19243790312 + ... + 19243803438.

It is an arithmetic number, because the mean of its divisors is an integer number (5651121414720).

Almost surely, 2^{252613321578125} is an apocalyptic number.

252613321578125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252613321578125 is a deficient number, since it is larger than the sum of its proper divisors (63849477646195).

252613321578125 is an frugal number, since it uses more digits than its factorization.

252613321578125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15793 (or 15768 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 53.

The spelling of 252613321578125 in words is "two hundred fifty-two trillion, six hundred thirteen billion, three hundred twenty-one million, five hundred seventy-eight thousand, one hundred twenty-five".