111669317 has 2 divisors, whose sum is σ = 111669318. Its totient is φ = 111669316.

The previous prime is 111669307. The next prime is 111669377. The reversal of 111669317 is 713966111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104878081 + 6791236 = 10241^2 + 2606^2 .

It is a cyclic number.

It is not a de Polignac number, because 111669317 - 2¹⁶ = 111603781 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 (111669307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55834658 + 55834659.

It is an arithmetic number, because the mean of its divisors is an integer number (55834659).

Almost surely, 2^111669317 is an apocalyptic number.

It is an amenable number.

111669317 is a deficient number, since it is larger than the sum of its proper divisors (1).

111669317 is an equidigital number, since it uses as much as digits as its factorization.

111669317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 35.

The square root of 111669317 is about 10567.3703919187. The cubic root of 111669317 is about 481.5535845347.

The spelling of 111669317 in words is "one hundred eleven million, six hundred sixty-nine thousand, three hundred seventeen".