56122007111 has 4 divisors (see below), whose sum is σ = 57638818152. Its totient is φ = 54605196072.

The previous prime is 56122007089. The next prime is 56122007167. The reversal of 56122007111 is 11170022165.

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 56122007111 - 2³⁰ = 55048265287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56122007171) 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, 758405465 + ... + 758405538.

It is an arithmetic number, because the mean of its divisors is an integer number (14409704538).

Almost surely, 2^56122007111 is an apocalyptic number.

56122007111 is a deficient number, since it is larger than the sum of its proper divisors (1516811041).

56122007111 is a wasteful number, since it uses less digits than its factorization.

56122007111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516811040.

The product of its (nonzero) digits is 840, while the sum is 26.

Adding to 56122007111 its reverse (11170022165), we get a palindrome (67292029276).

The spelling of 56122007111 in words is "fifty-six billion, one hundred twenty-two million, seven thousand, one hundred eleven".