56511020516116 has 12 divisors (see below), whose sum is σ = 98895960306388. Its totient is φ = 28255031857152.

The previous prime is 56511020516057. The next prime is 56511020516117. The reversal of 56511020516116 is 61161502011565.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31730576340100 + 24780444176016 = 5632990^2 + 4977996^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56511020516117) 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, 119334381 + ... + 119806996.

Almost surely, 2^{56511020516116} is an apocalyptic number.

It is an amenable number.

56511020516116 is a deficient number, since it is larger than the sum of its proper divisors (42384939790272).

56511020516116 is a wasteful number, since it uses less digits than its factorization.

56511020516116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239200458 (or 239200456 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 40.

The spelling of 56511020516116 in words is "fifty-six trillion, five hundred eleven billion, twenty million, five hundred sixteen thousand, one hundred sixteen".