11124142273 has 4 divisors (see below), whose sum is σ = 11146258368. Its totient is φ = 11102026180.

The previous prime is 11124142247. The next prime is 11124142279. The reversal of 11124142273 is 37224142111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11124142273 - 2¹³ = 11124134081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11124142279) 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, 11057293 + ... + 11058298.

It is an arithmetic number, because the mean of its divisors is an integer number (2786564592).

Almost surely, 2^11124142273 is an apocalyptic number.

It is an amenable number.

11124142273 is a deficient number, since it is larger than the sum of its proper divisors (22116095).

11124142273 is an equidigital number, since it uses as much as digits as its factorization.

11124142273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22116094.

The product of its digits is 2688, while the sum is 28.

Adding to 11124142273 its reverse (37224142111), we get a palindrome (48348284384).

The spelling of 11124142273 in words is "eleven billion, one hundred twenty-four million, one hundred forty-two thousand, two hundred seventy-three".