625465261205504 has 48 divisors (see below), whose sum is σ = 1293750123693300. Its totient is φ = 301948746760192.

The previous prime is 625465261205497. The next prime is 625465261205507. The reversal of 625465261205504 is 405502162564526.

It can be written as a sum of positive squares in 2 ways, for example, as 587120037913600 + 38345223291904 = 24230560^2 + 6192352^2 .

It is not an unprimeable number, because it can be changed into a prime (625465261205507) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5265508877 + ... + 5265627660.

Almost surely, 2^{625465261205504} is an apocalyptic number.

625465261205504 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

625465261205504 is an abundant number, since it is smaller than the sum of its proper divisors (668284862487796).

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

625465261205504 is a wasteful number, since it uses less digits than its factorization.

625465261205504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10531136588 (or 10531136568 counting only the distinct ones).

The product of its (nonzero) digits is 17280000, while the sum is 53.

The spelling of 625465261205504 in words is "six hundred twenty-five trillion, four hundred sixty-five billion, two hundred sixty-one million, two hundred five thousand, five hundred four".