56110949911 has 4 divisors (see below), whose sum is σ = 56345724000. Its totient is φ = 55876175824.

The previous prime is 56110949893. The next prime is 56110949963. The reversal of 56110949911 is 11994901165.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56110949911 - 2⁹ = 56110949399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56110949711) 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, 117386686 + ... + 117387163.

It is an arithmetic number, because the mean of its divisors is an integer number (14086431000).

Almost surely, 2^56110949911 is an apocalyptic number.

56110949911 is a deficient number, since it is larger than the sum of its proper divisors (234774089).

56110949911 is a wasteful number, since it uses less digits than its factorization.

56110949911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234774088.

The product of its (nonzero) digits is 87480, while the sum is 46.

The spelling of 56110949911 in words is "fifty-six billion, one hundred ten million, nine hundred forty-nine thousand, nine hundred eleven".