11131130369 has 2 divisors, whose sum is σ = 11131130370. Its totient is φ = 11131130368.

The previous prime is 11131130321. The next prime is 11131130389. The reversal of 11131130369 is 96303113111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8079672769 + 3051457600 = 89887^2 + 55240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11131130369 is a prime.

It is a super-2 number, since 2×11131130369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11131130389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565565184 + 5565565185.

It is an arithmetic number, because the mean of its divisors is an integer number (5565565185).

Almost surely, 2^11131130369 is an apocalyptic number.

It is an amenable number.

11131130369 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131130369 is an equidigital number, since it uses as much as digits as its factorization.

11131130369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 29.

The spelling of 11131130369 in words is "eleven billion, one hundred thirty-one million, one hundred thirty thousand, three hundred sixty-nine".