111110111000089 has 2 divisors, whose sum is σ = 111110111000090. Its totient is φ = 111110111000088.

The previous prime is 111110111000081. The next prime is 111110111000111. The reversal of 111110111000089 is 980000111011111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104589135895689 + 6520975104400 = 10226883^2 + 2553620^2 .

It is an emirp because it is prime and its reverse (980000111011111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111110111000089 - 2³ = 111110111000081 is a prime.

It is not a weakly prime, because it can be changed into another prime (111110111000081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555055500044 + 55555055500045.

It is an arithmetic number, because the mean of its divisors is an integer number (55555055500045).

Almost surely, 2^{111110111000089} is an apocalyptic number.

It is an amenable number.

111110111000089 is a deficient number, since it is larger than the sum of its proper divisors (1).

111110111000089 is an equidigital number, since it uses as much as digits as its factorization.

111110111000089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 25.

The spelling of 111110111000089 in words is "one hundred eleven trillion, one hundred ten billion, one hundred eleven million, eighty-nine", and thus it is an aban number.