11223555789 has 8 divisors (see below), whose sum is σ = 14985850720. Its totient is φ = 7471815696.

The previous prime is 11223555767. The next prime is 11223555799. The reversal of 11223555789 is 98755532211.

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

It is not a de Polignac number, because 11223555789 - 2⁵ = 11223555757 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 (11223555799) 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, 2636227 + ... + 2640480.

It is an arithmetic number, because the mean of its divisors is an integer number (1873231340).

Almost surely, 2^11223555789 is an apocalyptic number.

It is an amenable number.

11223555789 is a deficient number, since it is larger than the sum of its proper divisors (3762294931).

11223555789 is an equidigital number, since it uses as much as digits as its factorization.

11223555789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5277419.

The product of its digits is 756000, while the sum is 48.

The spelling of 11223555789 in words is "eleven billion, two hundred twenty-three million, five hundred fifty-five thousand, seven hundred eighty-nine".