11140443 has 8 divisors (see below), whose sum is σ = 16504400. Its totient is φ = 7426944.

The previous prime is 11140421. The next prime is 11140447. The reversal of 11140443 is 34404111.

It is not a de Polignac number, because 11140443 - 2⁸ = 11140187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11140447) 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, 206278 + ... + 206331.

It is an arithmetic number, because the mean of its divisors is an integer number (2063050).

Almost surely, 2^11140443 is an apocalyptic number.

11140443 is a deficient number, since it is larger than the sum of its proper divisors (5363957).

11140443 is an equidigital number, since it uses as much as digits as its factorization.

11140443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412618 (or 412612 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 11140443 is about 3337.7302167791. The cubic root of 11140443 is about 223.3405014902.

Adding to 11140443 its reverse (34404111), we get a palindrome (45544554).

The spelling of 11140443 in words is "eleven million, one hundred forty thousand, four hundred forty-three".