14591340736121 has 2 divisors, whose sum is σ = 14591340736122. Its totient is φ = 14591340736120.

The previous prime is 14591340736073. The next prime is 14591340736151. The reversal of 14591340736121 is 12163704319541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12132682240000 + 2458658496121 = 3483200^2 + 1568011^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14591340736121 is a prime.

It is not a weakly prime, because it can be changed into another prime (14591340736151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7295670368060 + 7295670368061.

It is an arithmetic number, because the mean of its divisors is an integer number (7295670368061).

Almost surely, 2^{14591340736121} is an apocalyptic number.

It is an amenable number.

14591340736121 is a deficient number, since it is larger than the sum of its proper divisors (1).

14591340736121 is an equidigital number, since it uses as much as digits as its factorization.

14591340736121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 14591340736121 in words is "fourteen trillion, five hundred ninety-one billion, three hundred forty million, seven hundred thirty-six thousand, one hundred twenty-one".