111714919 has 2 divisors, whose sum is σ = 111714920. Its totient is φ = 111714918.

The previous prime is 111714913. The next prime is 111714947. The reversal of 111714919 is 919417111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111714919 - 2¹⁷ = 111583847 is a prime.

It is a super-2 number, since 2×111714919² = 24960446254353122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111714913) 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, 55857459 + 55857460.

It is an arithmetic number, because the mean of its divisors is an integer number (55857460).

Almost surely, 2^111714919 is an apocalyptic number.

111714919 is a deficient number, since it is larger than the sum of its proper divisors (1).

111714919 is an equidigital number, since it uses as much as digits as its factorization.

111714919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 34.

The square root of 111714919 is about 10569.5278513281. The cubic root of 111714919 is about 481.6191257195.

The spelling of 111714919 in words is "one hundred eleven million, seven hundred fourteen thousand, nine hundred nineteen".