11088918809 has 2 divisors, whose sum is σ = 11088918810. Its totient is φ = 11088918808.

The previous prime is 11088918791. The next prime is 11088918811. The reversal of 11088918809 is 90881988011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10910429209 + 178489600 = 104453^2 + 13360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11088918809 is a prime.

Together with 11088918811, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11088918859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5544459404 + 5544459405.

It is an arithmetic number, because the mean of its divisors is an integer number (5544459405).

Almost surely, 2^11088918809 is an apocalyptic number.

It is an amenable number.

11088918809 is a deficient number, since it is larger than the sum of its proper divisors (1).

11088918809 is an equidigital number, since it uses as much as digits as its factorization.

11088918809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 53.

The spelling of 11088918809 in words is "eleven billion, eighty-eight million, nine hundred eighteen thousand, eight hundred nine".