11809041 has 8 divisors (see below), whose sum is σ = 15779424. Its totient is φ = 7855680.

The previous prime is 11809019. The next prime is 11809043. The reversal of 11809041 is 14090811.

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

It is not a de Polignac number, because 11809041 - 2⁵ = 11809009 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (11809043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2536 + ... + 5481.

It is an arithmetic number, because the mean of its divisors is an integer number (1972428).

Almost surely, 2^11809041 is an apocalyptic number.

It is an amenable number.

11809041 is a deficient number, since it is larger than the sum of its proper divisors (3970383).

11809041 is an equidigital number, since it uses as much as digits as its factorization.

11809041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8511.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 11809041 is about 3436.4285239184. The cubic root of 11809041 is about 227.7219409612.

Adding to 11809041 its reverse (14090811), we get a palindrome (25899852).

The spelling of 11809041 in words is "eleven million, eight hundred nine thousand, forty-one".