11321663245 has 8 divisors (see below), whose sum is σ = 13600500984. Its totient is φ = 9047660544.

The previous prime is 11321663203. The next prime is 11321663261. The reversal of 11321663245 is 54236612311.

It can be written as a sum of positive squares in 4 ways, for example, as 937645641 + 10384017604 = 30621^2 + 101902^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11321663245 - 2⁹ = 11321662733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11321663245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203604 + ... + 1212973.

It is an arithmetic number, because the mean of its divisors is an integer number (1700062623).

Almost surely, 2^11321663245 is an apocalyptic number.

It is an amenable number.

11321663245 is a deficient number, since it is larger than the sum of its proper divisors (2278837739).

11321663245 is an equidigital number, since it uses as much as digits as its factorization.

11321663245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417519.

The product of its digits is 25920, while the sum is 34.

The spelling of 11321663245 in words is "eleven billion, three hundred twenty-one million, six hundred sixty-three thousand, two hundred forty-five".