13116353522443 has 4 divisors (see below), whose sum is σ = 13436264584008. Its totient is φ = 12796442460880.

The previous prime is 13116353522411. The next prime is 13116353522477. The reversal of 13116353522443 is 34422535361131.

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 13116353522443 - 2⁵ = 13116353522411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13116353522443.

It is not an unprimeable number, because it can be changed into a prime (13116353922443) 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, 159955530721 + ... + 159955530802.

It is an arithmetic number, because the mean of its divisors is an integer number (3359066146002).

Almost surely, 2^{13116353522443} is an apocalyptic number.

13116353522443 is a deficient number, since it is larger than the sum of its proper divisors (319911061565).

13116353522443 is an equidigital number, since it uses as much as digits as its factorization.

13116353522443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319911061564.

The product of its digits is 777600, while the sum is 43.

Adding to 13116353522443 its reverse (34422535361131), we get a palindrome (47538888883574).

The spelling of 13116353522443 in words is "thirteen trillion, one hundred sixteen billion, three hundred fifty-three million, five hundred twenty-two thousand, four hundred forty-three".