56101110011 has 4 divisors (see below), whose sum is σ = 57405787032. Its totient is φ = 54796432992.

The previous prime is 56101109969. The next prime is 56101110017. The reversal of 56101110011 is 11001110165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11001110165 = 5 ⋅2200222033.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56101110011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56101110017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652338446 + ... + 652338531.

It is an arithmetic number, because the mean of its divisors is an integer number (14351446758).

Almost surely, 2^56101110011 is an apocalyptic number.

56101110011 is a deficient number, since it is larger than the sum of its proper divisors (1304677021).

56101110011 is a wasteful number, since it uses less digits than its factorization.

56101110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304677020.

The product of its (nonzero) digits is 30, while the sum is 17.

Adding to 56101110011 its reverse (11001110165), we get a palindrome (67102220176).

The spelling of 56101110011 in words is "fifty-six billion, one hundred one million, one hundred ten thousand, eleven".