625541159136 has 48 divisors (see below), whose sum is σ = 1645197393168. Its totient is φ = 208113484800.

The previous prime is 625541159069. The next prime is 625541159179. The reversal of 625541159136 is 631951145526.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6203395 + ... + 6303426.

It is an arithmetic number, because the mean of its divisors is an integer number (34274945691).

Almost surely, 2^625541159136 is an apocalyptic number.

It is an amenable number.

625541159136 is an abundant number, since it is smaller than the sum of its proper divisors (1019656234032).

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

625541159136 is a wasteful number, since it uses less digits than its factorization.

625541159136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12507355 (or 12507347 counting only the distinct ones).

The product of its digits is 972000, while the sum is 48.

The spelling of 625541159136 in words is "six hundred twenty-five billion, five hundred forty-one million, one hundred fifty-nine thousand, one hundred thirty-six".