11166335989 has 2 divisors, whose sum is σ = 11166335990. Its totient is φ = 11166335988.

The previous prime is 11166335951. The next prime is 11166336031. The reversal of 11166335989 is 98953366111.

11166335989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5800040964 + 5366295025 = 76158^2 + 73255^2 .

It is an emirp because it is prime and its reverse (98953366111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11166335989 - 2²⁵ = 11132781557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11166375989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5583167994 + 5583167995.

It is an arithmetic number, because the mean of its divisors is an integer number (5583167995).

Almost surely, 2^11166335989 is an apocalyptic number.

It is an amenable number.

11166335989 is a deficient number, since it is larger than the sum of its proper divisors (1).

11166335989 is an equidigital number, since it uses as much as digits as its factorization.

11166335989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 52.

The spelling of 11166335989 in words is "eleven billion, one hundred sixty-six million, three hundred thirty-five thousand, nine hundred eighty-nine".