111105611397089 has 2 divisors, whose sum is σ = 111105611397090. Its totient is φ = 111105611397088.

The previous prime is 111105611397037. The next prime is 111105611397101. The reversal of 111105611397089 is 980793116501111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72310651723489 + 38794959673600 = 8503567^2 + 6228560^2 .

It is a cyclic number.

It is not a de Polignac number, because 111105611397089 - 2⁴⁴ = 93513425352673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111105611397089.

It is not a weakly prime, because it can be changed into another prime (111105611397689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55552805698544 + 55552805698545.

It is an arithmetic number, because the mean of its divisors is an integer number (55552805698545).

Almost surely, 2^{111105611397089} is an apocalyptic number.

It is an amenable number.

111105611397089 is a deficient number, since it is larger than the sum of its proper divisors (1).

111105611397089 is an equidigital number, since it uses as much as digits as its factorization.

111105611397089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 53.

The spelling of 111105611397089 in words is "one hundred eleven trillion, one hundred five billion, six hundred eleven million, three hundred ninety-seven thousand, eighty-nine".