111699317 has 2 divisors, whose sum is σ = 111699318. Its totient is φ = 111699316.

The previous prime is 111699311. The next prime is 111699383. The reversal of 111699317 is 713996111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100180081 + 11519236 = 10009^2 + 3394^2 .

It is a cyclic number.

It is not a de Polignac number, because 111699317 - 2¹⁸ = 111437173 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 (111699311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55849658 + 55849659.

It is an arithmetic number, because the mean of its divisors is an integer number (55849659).

Almost surely, 2^111699317 is an apocalyptic number.

It is an amenable number.

111699317 is a deficient number, since it is larger than the sum of its proper divisors (1).

111699317 is an equidigital number, since it uses as much as digits as its factorization.

111699317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10206, while the sum is 38.

The square root of 111699317 is about 10568.7897604220. The cubic root of 111699317 is about 481.5967038517.

The spelling of 111699317 in words is "one hundred eleven million, six hundred ninety-nine thousand, three hundred seventeen".