56111672801 has 16 divisors (see below), whose sum is σ = 58629120000. Its totient is φ = 53633918016.

The previous prime is 56111672797. The next prime is 56111672819. The reversal of 56111672801 is 10827611165.

It is a cyclic number.

It is not a de Polignac number, because 56111672801 - 2² = 56111672797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56111672861) 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, 4035980 + ... + 4049858.

It is an arithmetic number, because the mean of its divisors is an integer number (3664320000).

Almost surely, 2^56111672801 is an apocalyptic number.

It is an amenable number.

56111672801 is a deficient number, since it is larger than the sum of its proper divisors (2517447199).

56111672801 is a wasteful number, since it uses less digits than its factorization.

56111672801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15296.

The product of its (nonzero) digits is 20160, while the sum is 38.

The spelling of 56111672801 in words is "fifty-six billion, one hundred eleven million, six hundred seventy-two thousand, eight hundred one".