11243131212243 has 8 divisors (see below), whose sum is σ = 17132390418688. Its totient is φ = 6424646406984.

The previous prime is 11243131212179. The next prime is 11243131212263. The reversal of 11243131212243 is 34221213134211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11243131212243 - 2⁶ = 11243131212179 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 11243131212243.

It is not an unprimeable number, because it can be changed into a prime (11243131212263) 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, 267693600271 + ... + 267693600312.

It is an arithmetic number, because the mean of its divisors is an integer number (2141548802336).

Almost surely, 2^{11243131212243} is an apocalyptic number.

11243131212243 is a deficient number, since it is larger than the sum of its proper divisors (5889259206445).

11243131212243 is an equidigital number, since it uses as much as digits as its factorization.

11243131212243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535387200593.

The product of its digits is 6912, while the sum is 30.

Adding to 11243131212243 its reverse (34221213134211), we get a palindrome (45464344346454).

The spelling of 11243131212243 in words is "eleven trillion, two hundred forty-three billion, one hundred thirty-one million, two hundred twelve thousand, two hundred forty-three".