14391113507 has 2 divisors, whose sum is σ = 14391113508. Its totient is φ = 14391113506.

The previous prime is 14391113489. The next prime is 14391113521. The reversal of 14391113507 is 70531119341.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14391113507 - 2²⁸ = 14122678051 is a prime.

It is not a weakly prime, because it can be changed into another prime (14391113707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7195556753 + 7195556754.

It is an arithmetic number, because the mean of its divisors is an integer number (7195556754).

Almost surely, 2^14391113507 is an apocalyptic number.

14391113507 is a deficient number, since it is larger than the sum of its proper divisors (1).

14391113507 is an equidigital number, since it uses as much as digits as its factorization.

14391113507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 35.

The spelling of 14391113507 in words is "fourteen billion, three hundred ninety-one million, one hundred thirteen thousand, five hundred seven".