111696427 has 2 divisors, whose sum is σ = 111696428. Its totient is φ = 111696426.

The previous prime is 111696401. The next prime is 111696433. The reversal of 111696427 is 724696111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111696427 is a prime.

It is not a weakly prime, because it can be changed into another prime (111696467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55848213 + 55848214.

It is an arithmetic number, because the mean of its divisors is an integer number (55848214).

Almost surely, 2^111696427 is an apocalyptic number.

111696427 is a deficient number, since it is larger than the sum of its proper divisors (1).

111696427 is an equidigital number, since it uses as much as digits as its factorization.

111696427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 37.

The square root of 111696427 is about 10568.6530362199. The cubic root of 111696427 is about 481.5925503602.

The spelling of 111696427 in words is "one hundred eleven million, six hundred ninety-six thousand, four hundred twenty-seven".