625000555631125 has 32 divisors (see below), whose sum is σ = 809209297260000. Its totient is φ = 481375785139200.

The previous prime is 625000555631083. The next prime is 625000555631147. The reversal of 625000555631125 is 521136555000526.

It can be written as a sum of positive squares in 16 ways, for example, as 226728246020004 + 398272309611121 = 15057498^2 + 19956761^2 .

It is not a de Polignac number, because 625000555631125 - 2¹¹ = 625000555629077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245746260 + ... + 248276509.

It is an arithmetic number, because the mean of its divisors is an integer number (25287790539375).

Almost surely, 2^{625000555631125} is an apocalyptic number.

It is an amenable number.

625000555631125 is a deficient number, since it is larger than the sum of its proper divisors (184208741628875).

625000555631125 is a wasteful number, since it uses less digits than its factorization.

625000555631125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494023162 (or 494023152 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 46.

The spelling of 625000555631125 in words is "six hundred twenty-five trillion, five hundred fifty-five million, six hundred thirty-one thousand, one hundred twenty-five".