13521441311 has 4 divisors (see below), whose sum is σ = 15453075792. Its totient is φ = 11589806832.

The previous prime is 13521441301. The next prime is 13521441347. The reversal of 13521441311 is 11314412531.

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 13521441311 - 2¹⁸ = 13521179167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13521441301) 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, 965817230 + ... + 965817243.

It is an arithmetic number, because the mean of its divisors is an integer number (3863268948).

Almost surely, 2^13521441311 is an apocalyptic number.

13521441311 is a deficient number, since it is larger than the sum of its proper divisors (1931634481).

13521441311 is an equidigital number, since it uses as much as digits as its factorization.

13521441311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931634480.

The product of its digits is 1440, while the sum is 26.

Adding to 13521441311 its reverse (11314412531), we get a palindrome (24835853842).

The spelling of 13521441311 in words is "thirteen billion, five hundred twenty-one million, four hundred forty-one thousand, three hundred eleven".