11574243169 has 2 divisors, whose sum is σ = 11574243170. Its totient is φ = 11574243168.

The previous prime is 11574243143. The next prime is 11574243257. The reversal of 11574243169 is 96134247511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11573456400 + 786769 = 107580^2 + 887^2 .

It is a cyclic number.

It is not a de Polignac number, because 11574243169 - 2⁵ = 11574243137 is a prime.

It is a super-2 number, since 2×11574243169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11574243119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5787121584 + 5787121585.

It is an arithmetic number, because the mean of its divisors is an integer number (5787121585).

Almost surely, 2^11574243169 is an apocalyptic number.

It is an amenable number.

11574243169 is a deficient number, since it is larger than the sum of its proper divisors (1).

11574243169 is an equidigital number, since it uses as much as digits as its factorization.

11574243169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The spelling of 11574243169 in words is "eleven billion, five hundred seventy-four million, two hundred forty-three thousand, one hundred sixty-nine".