11026588889 has 2 divisors, whose sum is σ = 11026588890. Its totient is φ = 11026588888.

The previous prime is 11026588849. The next prime is 11026588897. The reversal of 11026588889 is 98888562011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10981363264 + 45225625 = 104792^2 + 6725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11026588889 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11026588849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5513294444 + 5513294445.

It is an arithmetic number, because the mean of its divisors is an integer number (5513294445).

Almost surely, 2^11026588889 is an apocalyptic number.

It is an amenable number.

11026588889 is a deficient number, since it is larger than the sum of its proper divisors (1).

11026588889 is an equidigital number, since it uses as much as digits as its factorization.

11026588889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2211840, while the sum is 56.

The spelling of 11026588889 in words is "eleven billion, twenty-six million, five hundred eighty-eight thousand, eight hundred eighty-nine".