111311110189 has 2 divisors, whose sum is σ = 111311110190. Its totient is φ = 111311110188.

The previous prime is 111311110153. The next prime is 111311110297. The reversal of 111311110189 is 981011113111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73175660100 + 38135450089 = 270510^2 + 195283^2 .

It is a cyclic number.

It is not a de Polignac number, because 111311110189 - 2⁷ = 111311110061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111311110489) 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 as a sum of consecutive naturals, namely, 55655555094 + 55655555095.

It is an arithmetic number, because the mean of its divisors is an integer number (55655555095).

Almost surely, 2^111311110189 is an apocalyptic number.

It is an amenable number.

111311110189 is a deficient number, since it is larger than the sum of its proper divisors (1).

111311110189 is an equidigital number, since it uses as much as digits as its factorization.

111311110189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 28.

The spelling of 111311110189 in words is "one hundred eleven billion, three hundred eleven million, one hundred ten thousand, one hundred eighty-nine".