111313112399 has 2 divisors, whose sum is σ = 111313112400. Its totient is φ = 111313112398.

The previous prime is 111313112293. The next prime is 111313112437. The reversal of 111313112399 is 993211313111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111313112399 - 2²⁰ = 111312063823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111313114399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55656556199 + 55656556200.

It is an arithmetic number, because the mean of its divisors is an integer number (55656556200).

Almost surely, 2^111313112399 is an apocalyptic number.

111313112399 is a deficient number, since it is larger than the sum of its proper divisors (1).

111313112399 is an equidigital number, since it uses as much as digits as its factorization.

111313112399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4374, while the sum is 35.

The spelling of 111313112399 in words is "one hundred eleven billion, three hundred thirteen million, one hundred twelve thousand, three hundred ninety-nine".