11334566689 has 4 divisors (see below), whose sum is σ = 12001305924. Its totient is φ = 10667827456.

The previous prime is 11334566653. The next prime is 11334566699. The reversal of 11334566689 is 98666543311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98666543311 = 7 ⋅14095220473.

It can be written as a sum of positive squares in 2 ways, for example, as 10221210000 + 1113356689 = 101100^2 + 33367^2 .

It is a cyclic number.

It is not a de Polignac number, because 11334566689 - 2⁷ = 11334566561 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11334566629) 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, 333369592 + ... + 333369625.

It is an arithmetic number, because the mean of its divisors is an integer number (3000326481).

Almost surely, 2^11334566689 is an apocalyptic number.

It is an amenable number.

11334566689 is a deficient number, since it is larger than the sum of its proper divisors (666739235).

11334566689 is an equidigital number, since it uses as much as digits as its factorization.

11334566689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666739234.

The product of its digits is 2799360, while the sum is 52.

The spelling of 11334566689 in words is "eleven billion, three hundred thirty-four million, five hundred sixty-six thousand, six hundred eighty-nine".