56506600011 has 16 divisors (see below), whose sum is σ = 77101643520. Its totient is φ = 36791479200.

The previous prime is 56506600009. The next prime is 56506600043. The reversal of 56506600011 is 11000660565.

It is not a de Polignac number, because 56506600011 - 2¹ = 56506600009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56506680011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2667361 + ... + 2688461.

It is an arithmetic number, because the mean of its divisors is an integer number (4818852720).

Almost surely, 2^56506600011 is an apocalyptic number.

56506600011 is a deficient number, since it is larger than the sum of its proper divisors (20595043509).

56506600011 is a wasteful number, since it uses less digits than its factorization.

56506600011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41906.

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 56506600011 in words is "fifty-six billion, five hundred six million, six hundred thousand, eleven".