13315854579191 has 2 divisors, whose sum is σ = 13315854579192. Its totient is φ = 13315854579190.

The previous prime is 13315854579133. The next prime is 13315854579227. The reversal of 13315854579191 is 19197545851331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13315854579191 - 2¹⁴ = 13315854562807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13315854179191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6657927289595 + 6657927289596.

It is an arithmetic number, because the mean of its divisors is an integer number (6657927289596).

Almost surely, 2^{13315854579191} is an apocalyptic number.

13315854579191 is a deficient number, since it is larger than the sum of its proper divisors (1).

13315854579191 is an equidigital number, since it uses as much as digits as its factorization.

13315854579191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412000, while the sum is 62.

The spelling of 13315854579191 in words is "thirteen trillion, three hundred fifteen billion, eight hundred fifty-four million, five hundred seventy-nine thousand, one hundred ninety-one".