111344399 has 2 divisors, whose sum is σ = 111344400. Its totient is φ = 111344398.

The previous prime is 111344393. The next prime is 111344413. The reversal of 111344399 is 993443111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111344399 - 2⁴ = 111344383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111344393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55672199 + 55672200.

It is an arithmetic number, because the mean of its divisors is an integer number (55672200).

Almost surely, 2^111344399 is an apocalyptic number.

111344399 is a deficient number, since it is larger than the sum of its proper divisors (1).

111344399 is an equidigital number, since it uses as much as digits as its factorization.

111344399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 35.

The square root of 111344399 is about 10551.9855477536. The cubic root of 111344399 is about 481.0860809252.

The spelling of 111344399 in words is "one hundred eleven million, three hundred forty-four thousand, three hundred ninety-nine".