11324306621 has 4 divisors (see below), whose sum is σ = 11324600700. Its totient is φ = 11324012544.

The previous prime is 11324306597. The next prime is 11324306627. The reversal of 11324306621 is 12660342311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5185584121 + 6138722500 = 72011^2 + 78350^2 .

It is a cyclic number.

It is not a de Polignac number, because 11324306621 - 2¹⁸ = 11324044477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11324306627) 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, 78686 + ... + 169823.

It is an arithmetic number, because the mean of its divisors is an integer number (2831150175).

Almost surely, 2^11324306621 is an apocalyptic number.

It is an amenable number.

11324306621 is a deficient number, since it is larger than the sum of its proper divisors (294079).

11324306621 is an equidigital number, since it uses as much as digits as its factorization.

11324306621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294078.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 11324306621 its reverse (12660342311), we get a palindrome (23984648932).

The spelling of 11324306621 in words is "eleven billion, three hundred twenty-four million, three hundred six thousand, six hundred twenty-one".