11320244521 has 4 divisors (see below), whose sum is σ = 11341889872. Its totient is φ = 11298599172.

The previous prime is 11320244503. The next prime is 11320244527. The reversal of 11320244521 is 12544202311.

11320244521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11320244521 - 2¹¹ = 11320242473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11320244527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10821891 + ... + 10822936.

It is an arithmetic number, because the mean of its divisors is an integer number (2835472468).

Almost surely, 2^11320244521 is an apocalyptic number.

It is an amenable number.

11320244521 is a deficient number, since it is larger than the sum of its proper divisors (21645351).

11320244521 is an equidigital number, since it uses as much as digits as its factorization.

11320244521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21645350.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 11320244521 its reverse (12544202311), we get a palindrome (23864446832).

The spelling of 11320244521 in words is "eleven billion, three hundred twenty million, two hundred forty-four thousand, five hundred twenty-one".