56505165116 has 12 divisors (see below), whose sum is σ = 100276772400. Its totient is φ = 27854658720.

The previous prime is 56505165113. The next prime is 56505165161. The reversal of 56505165116 is 61156150565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56505165113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99480641 + ... + 99481208.

It is an arithmetic number, because the mean of its divisors is an integer number (8356397700).

Almost surely, 2^56505165116 is an apocalyptic number.

It is an amenable number.

56505165116 is a deficient number, since it is larger than the sum of its proper divisors (43771607284).

56505165116 is a wasteful number, since it uses less digits than its factorization.

56505165116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198961924 (or 198961922 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 56505165116 in words is "fifty-six billion, five hundred five million, one hundred sixty-five thousand, one hundred sixteen".