11142441 has 20 divisors (see below), whose sum is σ = 16773504. Its totient is φ = 7371000.

The previous prime is 11142427. The next prime is 11142449. The reversal of 11142441 is 14424111.

It is not a de Polignac number, because 11142441 - 2⁶ = 11142377 is a prime.

It is a super-3 number, since 3×11142441³ (a number of 22 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11142449) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11776 + ... + 12686.

Almost surely, 2^11142441 is an apocalyptic number.

It is an amenable number.

11142441 is a deficient number, since it is larger than the sum of its proper divisors (5631063).

11142441 is an equidigital number, since it uses as much as digits as its factorization.

11142441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074 (or 1065 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 11142441 is about 3338.0295085574. The cubic root of 11142441 is about 223.3538524748.

Adding to 11142441 its reverse (14424111), we get a palindrome (25566552).

The spelling of 11142441 in words is "eleven million, one hundred forty-two thousand, four hundred forty-one".