11111099089 has 2 divisors, whose sum is σ = 11111099090. Its totient is φ = 11111099088.

The previous prime is 11111099059. The next prime is 11111099093. The reversal of 11111099089 is 98099011111.

11111099089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7852972689 + 3258126400 = 88617^2 + 57080^2 .

It is a cyclic number.

It is not a de Polignac number, because 11111099089 - 2¹⁵ = 11111066321 is a prime.

It is not a weakly prime, because it can be changed into another prime (11111099059) 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, 5555549544 + 5555549545.

It is an arithmetic number, because the mean of its divisors is an integer number (5555549545).

Almost surely, 2^11111099089 is an apocalyptic number.

It is an amenable number.

11111099089 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111099089 is an equidigital number, since it uses as much as digits as its factorization.

11111099089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 40.

The spelling of 11111099089 in words is "eleven billion, one hundred eleven million, ninety-nine thousand, eighty-nine".