11011202309 has 2 divisors, whose sum is σ = 11011202310. Its totient is φ = 11011202308.

The previous prime is 11011202231. The next prime is 11011202317. The reversal of 11011202309 is 90320211011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10430536900 + 580665409 = 102130^2 + 24097^2 .

It is an emirp because it is prime and its reverse (90320211011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11011202309 - 2⁸ = 11011202053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011202329) 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, 5505601154 + 5505601155.

It is an arithmetic number, because the mean of its divisors is an integer number (5505601155).

Almost surely, 2^11011202309 is an apocalyptic number.

It is an amenable number.

11011202309 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011202309 is an equidigital number, since it uses as much as digits as its factorization.

11011202309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 11011202309 in words is "eleven billion, eleven million, two hundred two thousand, three hundred nine".