56055111111 has 24 divisors (see below), whose sum is σ = 84566298960. Its totient is φ = 35743787136.

The previous prime is 56055111103. The next prime is 56055111127. The reversal of 56055111111 is 11111155065.

56055111111 is a `hidden beast` number, since 5 + 605 + 51 + 1 + 1 + 1 + 1 + 1 = 666.

56055111111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56055111111 - 2³ = 56055111103 is a prime.

56055111111 is a modest number, since divided by 111111 gives 56055 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56055111131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1406910 + ... + 1446203.

It is an arithmetic number, because the mean of its divisors is an integer number (3523595790).

Almost surely, 2^56055111111 is an apocalyptic number.

56055111111 is a deficient number, since it is larger than the sum of its proper divisors (28511187849).

56055111111 is a wasteful number, since it uses less digits than its factorization.

56055111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853215 (or 2853212 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 27.

Adding to 56055111111 its reverse (11111155065), we get a palindrome (67166266176).

The spelling of 56055111111 in words is "fifty-six billion, fifty-five million, one hundred eleven thousand, one hundred eleven".