111404159 has 2 divisors, whose sum is σ = 111404160. Its totient is φ = 111404158.

The previous prime is 111404129. The next prime is 111404207. The reversal of 111404159 is 951404111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111404159 - 2²⁴ = 94626943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111404129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55702079 + 55702080.

It is an arithmetic number, because the mean of its divisors is an integer number (55702080).

Almost surely, 2^111404159 is an apocalyptic number.

111404159 is a deficient number, since it is larger than the sum of its proper divisors (1).

111404159 is an equidigital number, since it uses as much as digits as its factorization.

111404159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 111404159 is about 10554.8168624567. The cubic root of 111404159 is about 481.1721339360.

The spelling of 111404159 in words is "one hundred eleven million, four hundred four thousand, one hundred fifty-nine".