11524434409 has 2 divisors, whose sum is σ = 11524434410. Its totient is φ = 11524434408.

The previous prime is 11524434377. The next prime is 11524434431. The reversal of 11524434409 is 90443442511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11257210000 + 267224409 = 106100^2 + 16347^2 .

It is a cyclic number.

It is not a de Polignac number, because 11524434409 - 2⁵ = 11524434377 is a prime.

It is not a weakly prime, because it can be changed into another prime (11524434479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5762217204 + 5762217205.

It is an arithmetic number, because the mean of its divisors is an integer number (5762217205).

Almost surely, 2^11524434409 is an apocalyptic number.

It is an amenable number.

11524434409 is a deficient number, since it is larger than the sum of its proper divisors (1).

11524434409 is an equidigital number, since it uses as much as digits as its factorization.

11524434409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 11524434409 in words is "eleven billion, five hundred twenty-four million, four hundred thirty-four thousand, four hundred nine".