13315854579199 has 4 divisors (see below), whose sum is σ = 13514598677464. Its totient is φ = 13117110480936.

The previous prime is 13315854579191. The next prime is 13315854579227. The reversal of 13315854579199 is 99197545851331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13315854579199 - 2³ = 13315854579191 is a prime.

It is a super-3 number, since 3×13315854579199³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13315854579191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99372049032 + ... + 99372049165.

It is an arithmetic number, because the mean of its divisors is an integer number (3378649669366).

Almost surely, 2^{13315854579199} is an apocalyptic number.

13315854579199 is a deficient number, since it is larger than the sum of its proper divisors (198744098265).

13315854579199 is an equidigital number, since it uses as much as digits as its factorization.

13315854579199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198744098264.

The product of its digits is 183708000, while the sum is 70.

The spelling of 13315854579199 in words is "thirteen trillion, three hundred fifteen billion, eight hundred fifty-four million, five hundred seventy-nine thousand, one hundred ninety-nine".