11130030209 has 2 divisors, whose sum is σ = 11130030210. Its totient is φ = 11130030208.

The previous prime is 11130030193. The next prime is 11130030227. The reversal of 11130030209 is 90203003111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9853540225 + 1276489984 = 99265^2 + 35728^2 .

It is a cyclic number.

It is not a de Polignac number, because 11130030209 - 2⁴ = 11130030193 is a prime.

It is not a weakly prime, because it can be changed into another prime (11130030229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565015104 + 5565015105.

It is an arithmetic number, because the mean of its divisors is an integer number (5565015105).

Almost surely, 2^11130030209 is an apocalyptic number.

It is an amenable number.

11130030209 is a deficient number, since it is larger than the sum of its proper divisors (1).

11130030209 is an equidigital number, since it uses as much as digits as its factorization.

11130030209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The spelling of 11130030209 in words is "eleven billion, one hundred thirty million, thirty thousand, two hundred nine".