111404393 has 2 divisors, whose sum is σ = 111404394. Its totient is φ = 111404392.

The previous prime is 111404369. The next prime is 111404401. The reversal of 111404393 is 393404111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101868649 + 9535744 = 10093^2 + 3088^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111404393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111404693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55702196 + 55702197.

It is an arithmetic number, because the mean of its divisors is an integer number (55702197).

Almost surely, 2^111404393 is an apocalyptic number.

It is an amenable number.

111404393 is a deficient number, since it is larger than the sum of its proper divisors (1).

111404393 is an equidigital number, since it uses as much as digits as its factorization.

111404393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 111404393 is about 10554.8279474371. The cubic root of 111404393 is about 481.1724708300.

The spelling of 111404393 in words is "one hundred eleven million, four hundred four thousand, three hundred ninety-three".