11299715209 has 2 divisors, whose sum is σ = 11299715210. Its totient is φ = 11299715208.

The previous prime is 11299715123. The next prime is 11299715221. The reversal of 11299715209 is 90251799211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11284387984 + 15327225 = 106228^2 + 3915^2 .

It is a cyclic number.

It is not a de Polignac number, because 11299715209 - 2¹⁵ = 11299682441 is a prime.

It is not a weakly prime, because it can be changed into another prime (11299715239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5649857604 + 5649857605.

It is an arithmetic number, because the mean of its divisors is an integer number (5649857605).

Almost surely, 2^11299715209 is an apocalyptic number.

It is an amenable number.

11299715209 is a deficient number, since it is larger than the sum of its proper divisors (1).

11299715209 is an equidigital number, since it uses as much as digits as its factorization.

11299715209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 46.

The spelling of 11299715209 in words is "eleven billion, two hundred ninety-nine million, seven hundred fifteen thousand, two hundred nine".