11326808065 has 4 divisors (see below), whose sum is σ = 13592169684. Its totient is φ = 9061446448.

The previous prime is 11326808041. The next prime is 11326808089. The reversal of 11326808065 is 56080862311.

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

It is an interprime number because it is at equal distance from previous prime (11326808041) and next prime (11326808089).

It can be written as a sum of positive squares in 2 ways, for example, as 2969923009 + 8356885056 = 54497^2 + 91416^2 .

It is a cyclic number.

It is not a de Polignac number, because 11326808065 - 2⁷ = 11326807937 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1132680802 + ... + 1132680811.

It is an arithmetic number, because the mean of its divisors is an integer number (3398042421).

Almost surely, 2^11326808065 is an apocalyptic number.

It is an amenable number.

11326808065 is a deficient number, since it is larger than the sum of its proper divisors (2265361619).

11326808065 is an equidigital number, since it uses as much as digits as its factorization.

11326808065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265361618.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 11326808065 in words is "eleven billion, three hundred twenty-six million, eight hundred eight thousand, sixty-five".