11203240443 has 16 divisors (see below), whose sum is σ = 15422668800. Its totient is φ = 7226418240.

The previous prime is 11203240421. The next prime is 11203240459. The reversal of 11203240443 is 34404230211.

It is not a de Polignac number, because 11203240443 - 2²⁰ = 11202191867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11203240043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615903 + ... + 633831.

It is an arithmetic number, because the mean of its divisors is an integer number (963916800).

Almost surely, 2^11203240443 is an apocalyptic number.

11203240443 is a deficient number, since it is larger than the sum of its proper divisors (4219428357).

11203240443 is a wasteful number, since it uses less digits than its factorization.

11203240443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24682.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 11203240443 its reverse (34404230211), we get a palindrome (45607470654).

The spelling of 11203240443 in words is "eleven billion, two hundred three million, two hundred forty thousand, four hundred forty-three".