11223457789 has 16 divisors (see below), whose sum is σ = 11687239872. Its totient is φ = 10768612608.

The previous prime is 11223457733. The next prime is 11223457801. The reversal of 11223457789 is 98775432211.

It is not a de Polignac number, because 11223457789 - 2¹¹ = 11223455741 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223454789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1818022 + ... + 1824184.

It is an arithmetic number, because the mean of its divisors is an integer number (730452492).

Almost surely, 2^11223457789 is an apocalyptic number.

It is an amenable number.

11223457789 is a deficient number, since it is larger than the sum of its proper divisors (463782083).

11223457789 is an equidigital number, since it uses as much as digits as its factorization.

11223457789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6876.

The product of its digits is 846720, while the sum is 49.

The spelling of 11223457789 in words is "eleven billion, two hundred twenty-three million, four hundred fifty-seven thousand, seven hundred eighty-nine".