11143441 has 4 divisors (see below), whose sum is σ = 11179584. Its totient is φ = 11107300.

The previous prime is 11143427. The next prime is 11143463. The reversal of 11143441 is 14434111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11143441 - 2¹¹ = 11141393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11143411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17605 + ... + 18226.

It is an arithmetic number, because the mean of its divisors is an integer number (2794896).

Almost surely, 2^11143441 is an apocalyptic number.

It is an amenable number.

11143441 is a deficient number, since it is larger than the sum of its proper divisors (36143).

11143441 is an equidigital number, since it uses as much as digits as its factorization.

11143441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36142.

The product of its digits is 192, while the sum is 19.

The square root of 11143441 is about 3338.1792941662. The cubic root of 11143441 is about 223.3605340499.

Adding to 11143441 its reverse (14434111), we get a palindrome (25577552).

The spelling of 11143441 in words is "eleven million, one hundred forty-three thousand, four hundred forty-one".