11143841 has 8 divisors (see below), whose sum is σ = 11660544. Its totient is φ = 10638880.

The previous prime is 11143817. The next prime is 11143871. The reversal of 11143841 is 14834111.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11143841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11143871) 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, 965 + ... + 4818.

It is an arithmetic number, because the mean of its divisors is an integer number (1457568).

Almost surely, 2^11143841 is an apocalyptic number.

It is an amenable number.

11143841 is a deficient number, since it is larger than the sum of its proper divisors (516703).

11143841 is an equidigital number, since it uses as much as digits as its factorization.

11143841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5871.

The product of its digits is 384, while the sum is 23.

The square root of 11143841 is about 3338.2392065279. The cubic root of 11143841 is about 223.3632065681.

Adding to 11143841 its reverse (14834111), we get a palindrome (25977952).

The spelling of 11143841 in words is "eleven million, one hundred forty-three thousand, eight hundred forty-one".