11606844289 has 2 divisors, whose sum is σ = 11606844290. Its totient is φ = 11606844288.

The previous prime is 11606844287. The next prime is 11606844307. The reversal of 11606844289 is 98244860611.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8241916225 + 3364928064 = 90785^2 + 58008^2 .

It is a cyclic number.

It is not a de Polignac number, because 11606844289 - 2¹ = 11606844287 is a prime.

Together with 11606844287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11606844287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5803422144 + 5803422145.

It is an arithmetic number, because the mean of its divisors is an integer number (5803422145).

Almost surely, 2^11606844289 is an apocalyptic number.

It is an amenable number.

11606844289 is a deficient number, since it is larger than the sum of its proper divisors (1).

11606844289 is an equidigital number, since it uses as much as digits as its factorization.

11606844289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 49.

The spelling of 11606844289 in words is "eleven billion, six hundred six million, eight hundred forty-four thousand, two hundred eighty-nine".