111913663 has 2 divisors, whose sum is σ = 111913664. Its totient is φ = 111913662.

The previous prime is 111913657. The next prime is 111913709. The reversal of 111913663 is 366319111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111913663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111913603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55956831 + 55956832.

It is an arithmetic number, because the mean of its divisors is an integer number (55956832).

Almost surely, 2^111913663 is an apocalyptic number.

111913663 is a deficient number, since it is larger than the sum of its proper divisors (1).

111913663 is an equidigital number, since it uses as much as digits as its factorization.

111913663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 31.

The square root of 111913663 is about 10578.9254180186. The cubic root of 111913663 is about 481.9045612017.

The spelling of 111913663 in words is "one hundred eleven million, nine hundred thirteen thousand, six hundred sixty-three".