11441531 has 4 divisors (see below), whose sum is σ = 11449200. Its totient is φ = 11433864.

The previous prime is 11441519. The next prime is 11441533. The reversal of 11441531 is 13514411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11441531 - 2¹⁴ = 11425147 is a prime.

It is a super-2 number, since 2×11441531² = 261817263247922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11441533) 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, 791 + ... + 4848.

It is an arithmetic number, because the mean of its divisors is an integer number (2862300).

Almost surely, 2^11441531 is an apocalyptic number.

11441531 is a deficient number, since it is larger than the sum of its proper divisors (7669).

11441531 is an equidigital number, since it uses as much as digits as its factorization.

11441531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7668.

The product of its digits is 240, while the sum is 20.

The square root of 11441531 is about 3382.5332223054. The cubic root of 11441531 is about 225.3346854507.

Adding to 11441531 its reverse (13514411), we get a palindrome (24955942).

The spelling of 11441531 in words is "eleven million, four hundred forty-one thousand, five hundred thirty-one".