625063053555 has 32 divisors (see below), whose sum is σ = 1176589281600. Its totient is φ = 313757139456.

The previous prime is 625063053541. The next prime is 625063053557. The reversal of 625063053555 is 555350360526.

It is a happy number.

625063053555 is a `hidden beast` number, since 6 + 2 + 5 + 0 + 63 + 0 + 535 + 55 = 666.

It is not a de Polignac number, because 625063053555 - 2⁴ = 625063053539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 625063053555.

It is not an unprimeable number, because it can be changed into a prime (625063053557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136177020 + ... + 136181609.

It is an arithmetic number, because the mean of its divisors is an integer number (36768415050).

Almost surely, 2^625063053555 is an apocalyptic number.

625063053555 is a deficient number, since it is larger than the sum of its proper divisors (551526228045).

625063053555 is a wasteful number, since it uses less digits than its factorization.

625063053555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272358660 (or 272358654 counting only the distinct ones).

The product of its (nonzero) digits is 2025000, while the sum is 45.

The spelling of 625063053555 in words is "six hundred twenty-five billion, sixty-three million, fifty-three thousand, five hundred fifty-five".