11011130309 has 2 divisors, whose sum is σ = 11011130310. Its totient is φ = 11011130308.

The previous prime is 11011130297. The next prime is 11011130413. The reversal of 11011130309 is 90303111011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7841102500 + 3170027809 = 88550^2 + 56303^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011130309 - 2¹² = 11011126213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011130609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505565154 + 5505565155.

It is an arithmetic number, because the mean of its divisors is an integer number (5505565155).

Almost surely, 2^11011130309 is an apocalyptic number.

It is an amenable number.

11011130309 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011130309 is an equidigital number, since it uses as much as digits as its factorization.

11011130309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 20.

The spelling of 11011130309 in words is "eleven billion, eleven million, one hundred thirty thousand, three hundred nine".