111100110100489 has 2 divisors, whose sum is σ = 111100110100490. Its totient is φ = 111100110100488.

The previous prime is 111100110100471. The next prime is 111100110100513. The reversal of 111100110100489 is 984001011001111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89481515924089 + 21618594176400 = 9459467^2 + 4649580^2 .

It is a cyclic number.

It is not a de Polignac number, because 111100110100489 - 2⁹ = 111100110099977 is a prime.

It is not a weakly prime, because it can be changed into another prime (111100110100429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550055050244 + 55550055050245.

It is an arithmetic number, because the mean of its divisors is an integer number (55550055050245).

Almost surely, 2^{111100110100489} is an apocalyptic number.

It is an amenable number.

111100110100489 is a deficient number, since it is larger than the sum of its proper divisors (1).

111100110100489 is an equidigital number, since it uses as much as digits as its factorization.

111100110100489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 28.

The spelling of 111100110100489 in words is "one hundred eleven trillion, one hundred billion, one hundred ten million, one hundred thousand, four hundred eighty-nine".