13315854579227 has 2 divisors, whose sum is σ = 13315854579228. Its totient is φ = 13315854579226.

The previous prime is 13315854579191. The next prime is 13315854579233. The reversal of 13315854579227 is 72297545851331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13315854579227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13315854579227.

It is not a weakly prime, because it can be changed into another prime (13315854579427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6657927289613 + 6657927289614.

It is an arithmetic number, because the mean of its divisors is an integer number (6657927289614).

Almost surely, 2^{13315854579227} is an apocalyptic number.

13315854579227 is a deficient number, since it is larger than the sum of its proper divisors (1).

13315854579227 is an equidigital number, since it uses as much as digits as its factorization.

13315854579227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504000, while the sum is 62.

The spelling of 13315854579227 in words is "thirteen trillion, three hundred fifteen billion, eight hundred fifty-four million, five hundred seventy-nine thousand, two hundred twenty-seven".