11524593209 has 2 divisors, whose sum is σ = 11524593210. Its totient is φ = 11524593208.

The previous prime is 11524593163. The next prime is 11524593211. The reversal of 11524593209 is 90239542511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11405172025 + 119421184 = 106795^2 + 10928^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11524593209 is a prime.

Together with 11524593211, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11524593259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5762296604 + 5762296605.

It is an arithmetic number, because the mean of its divisors is an integer number (5762296605).

Almost surely, 2^11524593209 is an apocalyptic number.

It is an amenable number.

11524593209 is a deficient number, since it is larger than the sum of its proper divisors (1).

11524593209 is an equidigital number, since it uses as much as digits as its factorization.

11524593209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 11524593209 in words is "eleven billion, five hundred twenty-four million, five hundred ninety-three thousand, two hundred nine".