11908944017 has 2 divisors, whose sum is σ = 11908944018. Its totient is φ = 11908944016.

The previous prime is 11908943953. The next prime is 11908944049. The reversal of 11908944017 is 71044980911.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7353234001 + 4555710016 = 85751^2 + 67496^2 .

It is a cyclic number.

It is not a de Polignac number, because 11908944017 - 2⁶ = 11908943953 is a prime.

It is not a weakly prime, because it can be changed into another prime (11908944077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5954472008 + 5954472009.

It is an arithmetic number, because the mean of its divisors is an integer number (5954472009).

Almost surely, 2^11908944017 is an apocalyptic number.

It is an amenable number.

11908944017 is a deficient number, since it is larger than the sum of its proper divisors (1).

11908944017 is an equidigital number, since it uses as much as digits as its factorization.

11908944017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 44.

It can be divided in two parts, 1190894 and 4017, that added together give a palindrome (1194911).

The spelling of 11908944017 in words is "eleven billion, nine hundred eight million, nine hundred forty-four thousand, seventeen".