11122345243 has 4 divisors (see below), whose sum is σ = 11122575120. Its totient is φ = 11122115368.

The previous prime is 11122345237. The next prime is 11122345279. The reversal of 11122345243 is 34254322111.

11122345243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11122345243 - 2²¹ = 11120248091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122342243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11080 + ... + 149557.

It is an arithmetic number, because the mean of its divisors is an integer number (2780643780).

Almost surely, 2^11122345243 is an apocalyptic number.

11122345243 is a deficient number, since it is larger than the sum of its proper divisors (229877).

11122345243 is an equidigital number, since it uses as much as digits as its factorization.

11122345243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229876.

The product of its digits is 5760, while the sum is 28.

Adding to 11122345243 its reverse (34254322111), we get a palindrome (45376667354).

The spelling of 11122345243 in words is "eleven billion, one hundred twenty-two million, three hundred forty-five thousand, two hundred forty-three".