14110991 has 2 divisors, whose sum is σ = 14110992. Its totient is φ = 14110990.

The previous prime is 14110981. The next prime is 14110997. The reversal of 14110991 is 19901141.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14110991 - 2¹⁰ = 14109967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14110991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14110997) 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, 7055495 + 7055496.

It is an arithmetic number, because the mean of its divisors is an integer number (7055496).

Almost surely, 2^14110991 is an apocalyptic number.

14110991 is a deficient number, since it is larger than the sum of its proper divisors (1).

14110991 is an equidigital number, since it uses as much as digits as its factorization.

14110991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 14110991 is about 3756.4599026211. The cubic root of 14110991 is about 241.6494651781.

The spelling of 14110991 in words is "fourteen million, one hundred ten thousand, nine hundred ninety-one".