11102880809 has 2 divisors, whose sum is σ = 11102880810. Its totient is φ = 11102880808.

The previous prime is 11102880799. The next prime is 11102880853. The reversal of 11102880809 is 90808820111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8017411600 + 3085469209 = 89540^2 + 55547^2 .

It is a cyclic number.

It is not a de Polignac number, because 11102880809 - 2⁸ = 11102880553 is a prime.

It is not a weakly prime, because it can be changed into another prime (11102880889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551440404 + 5551440405.

It is an arithmetic number, because the mean of its divisors is an integer number (5551440405).

Almost surely, 2^11102880809 is an apocalyptic number.

It is an amenable number.

11102880809 is a deficient number, since it is larger than the sum of its proper divisors (1).

11102880809 is an equidigital number, since it uses as much as digits as its factorization.

11102880809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 38.

The spelling of 11102880809 in words is "eleven billion, one hundred two million, eight hundred eighty thousand, eight hundred nine".