1112404112389 has 2 divisors, whose sum is σ = 1112404112390. Its totient is φ = 1112404112388.

The previous prime is 1112404112383. The next prime is 1112404112411. The reversal of 1112404112389 is 9832114042111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1077963062500 + 34441049889 = 1038250^2 + 185583^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112404112389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112404112383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556202056194 + 556202056195.

It is an arithmetic number, because the mean of its divisors is an integer number (556202056195).

Almost surely, 2^{1112404112389} is an apocalyptic number.

It is an amenable number.

1112404112389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112404112389 is an equidigital number, since it uses as much as digits as its factorization.

1112404112389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 37.

The spelling of 1112404112389 in words is "one trillion, one hundred twelve billion, four hundred four million, one hundred twelve thousand, three hundred eighty-nine".