11123143241 has 16 divisors (see below), whose sum is σ = 13106614656. Its totient is φ = 9240293376.

The previous prime is 11123143223. The next prime is 11123143261. The reversal of 11123143241 is 14234132111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11123143241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11123143211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16991 + ... + 150116.

It is an arithmetic number, because the mean of its divisors is an integer number (819163416).

Almost surely, 2^11123143241 is an apocalyptic number.

It is an amenable number.

11123143241 is a deficient number, since it is larger than the sum of its proper divisors (1983471415).

11123143241 is a wasteful number, since it uses less digits than its factorization.

11123143241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167408.

The product of its digits is 576, while the sum is 23.

Adding to 11123143241 its reverse (14234132111), we get a palindrome (25357275352).

The spelling of 11123143241 in words is "eleven billion, one hundred twenty-three million, one hundred forty-three thousand, two hundred forty-one".