11441805209 has 8 divisors (see below), whose sum is σ = 11498760000. Its totient is φ = 11384992432.

The previous prime is 11441805163. The next prime is 11441805241. The reversal of 11441805209 is 90250814411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11441805209 - 2²⁴ = 11425027993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11441801209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127892 + ... + 198090.

It is an arithmetic number, because the mean of its divisors is an integer number (1437345000).

Almost surely, 2^11441805209 is an apocalyptic number.

It is an amenable number.

11441805209 is a deficient number, since it is larger than the sum of its proper divisors (56954791).

11441805209 is an equidigital number, since it uses as much as digits as its factorization.

11441805209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71007.

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 11441805209 in words is "eleven billion, four hundred forty-one million, eight hundred five thousand, two hundred nine".