11989411193 has 2 divisors, whose sum is σ = 11989411194. Its totient is φ = 11989411192.

The previous prime is 11989411163. The next prime is 11989411219. The reversal of 11989411193 is 39111498911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7144137529 + 4845273664 = 84523^2 + 69608^2 .

It is a cyclic number.

It is not a de Polignac number, because 11989411193 - 2⁶ = 11989411129 is a prime.

It is not a weakly prime, because it can be changed into another prime (11989411153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5994705596 + 5994705597.

It is an arithmetic number, because the mean of its divisors is an integer number (5994705597).

Almost surely, 2^11989411193 is an apocalyptic number.

It is an amenable number.

11989411193 is a deficient number, since it is larger than the sum of its proper divisors (1).

11989411193 is an equidigital number, since it uses as much as digits as its factorization.

11989411193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 47.

The spelling of 11989411193 in words is "eleven billion, nine hundred eighty-nine million, four hundred eleven thousand, one hundred ninety-three".