63564500215 has 16 divisors (see below), whose sum is σ = 76735545120. Its totient is φ = 50547087360.

The previous prime is 63564500203. The next prime is 63564500231. The reversal of 63564500215 is 51200546536.

It is not a de Polignac number, because 63564500215 - 2³⁵ = 29204761847 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 500751 + ... + 614719.

It is an arithmetic number, because the mean of its divisors is an integer number (4795971570).

Almost surely, 2^63564500215 is an apocalyptic number.

63564500215 is a deficient number, since it is larger than the sum of its proper divisors (13171044905).

63564500215 is a wasteful number, since it uses less digits than its factorization.

63564500215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114642.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 63564500215 in words is "sixty-three billion, five hundred sixty-four million, five hundred thousand, two hundred fifteen".