13126211516199 has 4 divisors (see below), whose sum is σ = 17501615354936. Its totient is φ = 8750807677464.

The previous prime is 13126211516149. The next prime is 13126211516329. The reversal of 13126211516199 is 99161511262131.

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

It is not a de Polignac number, because 13126211516199 - 2⁸ = 13126211515943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13126211516149) 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, 2187701919364 + ... + 2187701919369.

It is an arithmetic number, because the mean of its divisors is an integer number (4375403838734).

Almost surely, 2^{13126211516199} is an apocalyptic number.

13126211516199 is a deficient number, since it is larger than the sum of its proper divisors (4375403838737).

13126211516199 is an equidigital number, since it uses as much as digits as its factorization.

13126211516199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4375403838736.

The product of its digits is 174960, while the sum is 48.

The spelling of 13126211516199 in words is "thirteen trillion, one hundred twenty-six billion, two hundred eleven million, five hundred sixteen thousand, one hundred ninety-nine".