11321113013 has 24 divisors (see below), whose sum is σ = 13166238720. Its totient is φ = 9535616640.

The previous prime is 11321112977. The next prime is 11321113031. The reversal of 11321113013 is 31031112311.

It is not a de Polignac number, because 11321113013 - 2⁸ = 11321112757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11321112982 and 11321113000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321113043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10589843 + ... + 10590911.

It is an arithmetic number, because the mean of its divisors is an integer number (548593280).

Almost surely, 2^11321113013 is an apocalyptic number.

It is an amenable number.

11321113013 is a deficient number, since it is larger than the sum of its proper divisors (1845125707).

11321113013 is an equidigital number, since it uses as much as digits as its factorization.

11321113013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445 (or 1356 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11321113013 its reverse (31031112311), we get a palindrome (42352225324).

The spelling of 11321113013 in words is "eleven billion, three hundred twenty-one million, one hundred thirteen thousand, thirteen".