14155121297 has 2 divisors, whose sum is σ = 14155121298. Its totient is φ = 14155121296.

The previous prime is 14155121287. The next prime is 14155121341. The reversal of 14155121297 is 79212155141.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11670696961 + 2484424336 = 108031^2 + 49844^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14155121297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14155121297.

It is not a weakly prime, because it can be changed into another prime (14155121237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7077560648 + 7077560649.

It is an arithmetic number, because the mean of its divisors is an integer number (7077560649).

Almost surely, 2^14155121297 is an apocalyptic number.

It is an amenable number.

14155121297 is a deficient number, since it is larger than the sum of its proper divisors (1).

14155121297 is an equidigital number, since it uses as much as digits as its factorization.

14155121297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 38.

The spelling of 14155121297 in words is "fourteen billion, one hundred fifty-five million, one hundred twenty-one thousand, two hundred ninety-seven".