11305066321 has 4 divisors (see below), whose sum is σ = 11610608692. Its totient is φ = 10999523952.

The previous prime is 11305066319. The next prime is 11305066337. The reversal of 11305066321 is 12366050311.

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 6469950096 + 4835116225 = 80436^2 + 69535^2 .

It is a cyclic number.

It is not a de Polignac number, because 11305066321 - 2¹ = 11305066319 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 11305066321.

It is not an unprimeable number, because it can be changed into a prime (11305066301) 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, 152771130 + ... + 152771203.

It is an arithmetic number, because the mean of its divisors is an integer number (2902652173).

Almost surely, 2^11305066321 is an apocalyptic number.

It is an amenable number.

11305066321 is a deficient number, since it is larger than the sum of its proper divisors (305542371).

11305066321 is an equidigital number, since it uses as much as digits as its factorization.

11305066321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305542370.

The product of its (nonzero) digits is 3240, while the sum is 28.

The spelling of 11305066321 in words is "eleven billion, three hundred five million, sixty-six thousand, three hundred twenty-one".