111327917 has 4 divisors (see below), whose sum is σ = 117876636. Its totient is φ = 104779200.

The previous prime is 111327907. The next prime is 111327919. The reversal of 111327917 is 719723111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36228361 + 75099556 = 6019^2 + 8666^2 .

It is a cyclic number.

It is not a de Polignac number, because 111327917 - 2⁸ = 111327661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111327919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3274334 + ... + 3274367.

It is an arithmetic number, because the mean of its divisors is an integer number (29469159).

Almost surely, 2^111327917 is an apocalyptic number.

111327917 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

111327917 is a deficient number, since it is larger than the sum of its proper divisors (6548719).

111327917 is an equidigital number, since it uses as much as digits as its factorization.

111327917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6548718.

The product of its digits is 2646, while the sum is 32.

The square root of 111327917 is about 10551.2045283939. The cubic root of 111327917 is about 481.0623418115.

The spelling of 111327917 in words is "one hundred eleven million, three hundred twenty-seven thousand, nine hundred seventeen".