63516550623625 has 32 divisors (see below), whose sum is σ = 86476769188992. Its totient is φ = 46192854664000.

The previous prime is 63516550623619. The next prime is 63516550623637. The reversal of 63516550623625 is 52632605561536.

It is not a de Polignac number, because 63516550623625 - 2⁴³ = 54720457601417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian 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, 66256974 + ... + 67208776.

It is an arithmetic number, because the mean of its divisors is an integer number (2702399037156).

Almost surely, 2^{63516550623625} is an apocalyptic number.

It is an amenable number.

63516550623625 is a deficient number, since it is larger than the sum of its proper divisors (22960218565367).

63516550623625 is a wasteful number, since it uses less digits than its factorization.

63516550623625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000362 (or 1000352 counting only the distinct ones).

The product of its (nonzero) digits is 29160000, while the sum is 55.

The spelling of 63516550623625 in words is "sixty-three trillion, five hundred sixteen billion, five hundred fifty million, six hundred twenty-three thousand, six hundred twenty-five".