56111111104 has 28 divisors (see below), whose sum is σ = 111353015800. Its totient is φ = 28053658368.

The previous prime is 56111111101. The next prime is 56111111153. The reversal of 56111111104 is 40111111165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56111111101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1790482 + ... + 1821550.

Almost surely, 2^56111111104 is an apocalyptic number.

It is an amenable number.

56111111104 is a deficient number, since it is larger than the sum of its proper divisors (55241904696).

56111111104 is a wasteful number, since it uses less digits than its factorization.

56111111104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59300 (or 59290 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 22.

Adding to 56111111104 its reverse (40111111165), we get a palindrome (96222222269).

The spelling of 56111111104 in words is "fifty-six billion, one hundred eleven million, one hundred eleven thousand, one hundred four".