14115220342991 has 2 divisors, whose sum is σ = 14115220342992. Its totient is φ = 14115220342990.

The previous prime is 14115220342963. The next prime is 14115220342997. The reversal of 14115220342991 is 19924302251141.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14115220342991 - 2²² = 14115216148687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14115220342997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7057610171495 + 7057610171496.

It is an arithmetic number, because the mean of its divisors is an integer number (7057610171496).

Almost surely, 2^{14115220342991} is an apocalyptic number.

14115220342991 is a deficient number, since it is larger than the sum of its proper divisors (1).

14115220342991 is an equidigital number, since it uses as much as digits as its factorization.

14115220342991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 14115220342991 in words is "fourteen trillion, one hundred fifteen billion, two hundred twenty million, three hundred forty-two thousand, nine hundred ninety-one".