11229062809 has 2 divisors, whose sum is σ = 11229062810. Its totient is φ = 11229062808.

The previous prime is 11229062753. The next prime is 11229062837. The reversal of 11229062809 is 90826092211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11217987225 + 11075584 = 105915^2 + 3328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11229062809 is a prime.

It is not a weakly prime, because it can be changed into another prime (11229062849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5614531404 + 5614531405.

It is an arithmetic number, because the mean of its divisors is an integer number (5614531405).

Almost surely, 2^11229062809 is an apocalyptic number.

It is an amenable number.

11229062809 is a deficient number, since it is larger than the sum of its proper divisors (1).

11229062809 is an equidigital number, since it uses as much as digits as its factorization.

11229062809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 11229062809 in words is "eleven billion, two hundred twenty-nine million, sixty-two thousand, eight hundred nine".