13226115443 has 4 divisors (see below), whose sum is σ = 13226742048. Its totient is φ = 13225488840.

The previous prime is 13226115389. The next prime is 13226115449. The reversal of 13226115443 is 34451162231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13226115443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13226115449) 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, 280496 + ... + 324237.

It is an arithmetic number, because the mean of its divisors is an integer number (3306685512).

Almost surely, 2^13226115443 is an apocalyptic number.

13226115443 is a deficient number, since it is larger than the sum of its proper divisors (626605).

13226115443 is an equidigital number, since it uses as much as digits as its factorization.

13226115443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626604.

The product of its digits is 17280, while the sum is 32.

Adding to 13226115443 its reverse (34451162231), we get a palindrome (47677277674).

The spelling of 13226115443 in words is "thirteen billion, two hundred twenty-six million, one hundred fifteen thousand, four hundred forty-three".