11967334289 has 4 divisors (see below), whose sum is σ = 12033452340. Its totient is φ = 11901216240.

The previous prime is 11967334277. The next prime is 11967334303. The reversal of 11967334289 is 98243376911.

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 88078225 + 11879256064 = 9385^2 + 108992^2 .

It is a cyclic number.

It is not a de Polignac number, because 11967334289 - 2²⁰ = 11966285713 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 11967334289.

It is not an unprimeable number, because it can be changed into a prime (11967339289) 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, 33058754 + ... + 33059115.

It is an arithmetic number, because the mean of its divisors is an integer number (3008363085).

Almost surely, 2^11967334289 is an apocalyptic number.

It is an amenable number.

11967334289 is a deficient number, since it is larger than the sum of its proper divisors (66118051).

11967334289 is an equidigital number, since it uses as much as digits as its factorization.

11967334289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66118050.

The product of its digits is 1959552, while the sum is 53.

The spelling of 11967334289 in words is "eleven billion, nine hundred sixty-seven million, three hundred thirty-four thousand, two hundred eighty-nine".