56111056061111 has 8 divisors (see below), whose sum is σ = 57834161689248. Its totient is φ = 54413861796000.

The previous prime is 56111056061107. The next prime is 56111056061149. The reversal of 56111056061111 is 11116065011165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56111056061111 - 2² = 56111056061107 is a prime.

It is a super-2 number, since 2×56111056061111² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56111056064111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6477836360 + ... + 6477845021.

It is an arithmetic number, because the mean of its divisors is an integer number (7229270211156).

Almost surely, 2^{56111056061111} is an apocalyptic number.

56111056061111 is a deficient number, since it is larger than the sum of its proper divisors (1723105628137).

56111056061111 is a wasteful number, since it uses less digits than its factorization.

56111056061111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12955681513.

The product of its (nonzero) digits is 5400, while the sum is 35.

The spelling of 56111056061111 in words is "fifty-six trillion, one hundred eleven billion, fifty-six million, sixty-one thousand, one hundred eleven".