11116907909 has 2 divisors, whose sum is σ = 11116907910. Its totient is φ = 11116907908.

The previous prime is 11116907891. The next prime is 11116907959. The reversal of 11116907909 is 90970961111.

11116907909 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., 5666777284 + 5450130625 = 75278^2 + 73825^2 .

It is an emirp because it is prime and its reverse (90970961111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11116907909 - 2²⁰ = 11115859333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11116907909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11116907959) 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, 5558453954 + 5558453955.

It is an arithmetic number, because the mean of its divisors is an integer number (5558453955).

Almost surely, 2^11116907909 is an apocalyptic number.

It is an amenable number.

11116907909 is a deficient number, since it is larger than the sum of its proper divisors (1).

11116907909 is an equidigital number, since it uses as much as digits as its factorization.

11116907909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 44.

The spelling of 11116907909 in words is "eleven billion, one hundred sixteen million, nine hundred seven thousand, nine hundred nine".