56217051116205 has 32 divisors (see below), whose sum is σ = 104482088456448. Its totient is φ = 25277924620800.

The previous prime is 56217051116173. The next prime is 56217051116299. The reversal of 56217051116205 is 50261115071265.

It is a happy number.

It is not a de Polignac number, because 56217051116205 - 2⁵ = 56217051116173 is a prime.

It is a congruent 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, 4388522176 + ... + 4388534985.

It is an arithmetic number, because the mean of its divisors is an integer number (3265065264264).

Almost surely, 2^{56217051116205} is an apocalyptic number.

It is an amenable number.

56217051116205 is a deficient number, since it is larger than the sum of its proper divisors (48265037340243).

56217051116205 is a wasteful number, since it uses less digits than its factorization.

56217051116205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8777057237.

The product of its (nonzero) digits is 126000, while the sum is 42.

The spelling of 56217051116205 in words is "fifty-six trillion, two hundred seventeen billion, fifty-one million, one hundred sixteen thousand, two hundred five".