11386269509 has 2 divisors, whose sum is σ = 11386269510. Its totient is φ = 11386269508.

The previous prime is 11386269463. The next prime is 11386269533. The reversal of 11386269509 is 90596268311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11125608484 + 260661025 = 105478^2 + 16145^2 .

It is a cyclic number.

It is not a de Polignac number, because 11386269509 - 2⁸ = 11386269253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11386269599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5693134754 + 5693134755.

It is an arithmetic number, because the mean of its divisors is an integer number (5693134755).

Almost surely, 2^11386269509 is an apocalyptic number.

It is an amenable number.

11386269509 is a deficient number, since it is larger than the sum of its proper divisors (1).

11386269509 is an equidigital number, since it uses as much as digits as its factorization.

11386269509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 11386269509 in words is "eleven billion, three hundred eighty-six million, two hundred sixty-nine thousand, five hundred nine".