1112109999989 has 2 divisors, whose sum is σ = 1112109999990. Its totient is φ = 1112109999988.

The previous prime is 1112109999961. The next prime is 1112110000009. The reversal of 1112109999989 is 9899999012111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1044398153764 + 67711846225 = 1021958^2 + 260215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112109999989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112109990989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556054999994 + 556054999995.

It is an arithmetic number, because the mean of its divisors is an integer number (556054999995).

Almost surely, 2^{1112109999989} is an apocalyptic number.

It is an amenable number.

1112109999989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112109999989 is an equidigital number, since it uses as much as digits as its factorization.

1112109999989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8503056, while the sum is 68.

The spelling of 1112109999989 in words is "one trillion, one hundred twelve billion, one hundred nine million, nine hundred ninety-nine thousand, nine hundred eighty-nine".