111564352111 has 2 divisors, whose sum is σ = 111564352112. Its totient is φ = 111564352110.

The previous prime is 111564352079. The next prime is 111564352153. The reversal of 111564352111 is 111253465111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111564352111 - 2⁵ = 111564352079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111564358111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55782176055 + 55782176056.

It is an arithmetic number, because the mean of its divisors is an integer number (55782176056).

Almost surely, 2^111564352111 is an apocalyptic number.

111564352111 is a deficient number, since it is larger than the sum of its proper divisors (1).

111564352111 is an equidigital number, since it uses as much as digits as its factorization.

111564352111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 31.

The spelling of 111564352111 in words is "one hundred eleven billion, five hundred sixty-four million, three hundred fifty-two thousand, one hundred eleven".