56111056064111 has 2 divisors, whose sum is σ = 56111056064112. Its totient is φ = 56111056064110.

The previous prime is 56111056064059. The next prime is 56111056064149. The reversal of 56111056064111 is 11146065011165.

56111056064111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (56111056064149) can be obtained adding 56111056064111 to its sum of digits (38).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56111056064111 - 2¹⁴ = 56111056047727 is a prime.

It is a super-2 number, since 2×56111056064111² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56111056064191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28055528032055 + 28055528032056.

It is an arithmetic number, because the mean of its divisors is an integer number (28055528032056).

Almost surely, 2^{56111056064111} is an apocalyptic number.

56111056064111 is a deficient number, since it is larger than the sum of its proper divisors (1).

56111056064111 is an equidigital number, since it uses as much as digits as its factorization.

56111056064111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 38.

The spelling of 56111056064111 in words is "fifty-six trillion, one hundred eleven billion, fifty-six million, sixty-four thousand, one hundred eleven".