11124100243 has 4 divisors (see below), whose sum is σ = 11127787960. Its totient is φ = 11120412528.

The previous prime is 11124100241. The next prime is 11124100277. The reversal of 11124100243 is 34200142111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11124100243 - 2¹ = 11124100241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11124100243.

It is not an unprimeable number, because it can be changed into a prime (11124100241) 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, 1839330 + ... + 1845367.

It is an arithmetic number, because the mean of its divisors is an integer number (2781946990).

Almost surely, 2^11124100243 is an apocalyptic number.

11124100243 is a deficient number, since it is larger than the sum of its proper divisors (3687717).

11124100243 is an equidigital number, since it uses as much as digits as its factorization.

11124100243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3687716.

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

Adding to 11124100243 its reverse (34200142111), we get a palindrome (45324242354).

The spelling of 11124100243 in words is "eleven billion, one hundred twenty-four million, one hundred thousand, two hundred forty-three".