63356445125 has 16 divisors (see below), whose sum is σ = 80560716912. Its totient is φ = 49728827200.

The previous prime is 63356445073. The next prime is 63356445161. The reversal of 63356445125 is 52154465336.

It can be written as a sum of positive squares in 8 ways, for example, as 1335025444 + 62021419681 = 36538^2 + 249041^2 .

It is not a de Polignac number, because 63356445125 - 2²⁰ = 63355396549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4774994 + ... + 4788243.

It is an arithmetic number, because the mean of its divisors is an integer number (5035044807).

Almost surely, 2^63356445125 is an apocalyptic number.

It is an amenable number.

63356445125 is a deficient number, since it is larger than the sum of its proper divisors (17204271787).

63356445125 is an equidigital number, since it uses as much as digits as its factorization.

63356445125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9563305 (or 9563295 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 44.

The spelling of 63356445125 in words is "sixty-three billion, three hundred fifty-six million, four hundred forty-five thousand, one hundred twenty-five".