11223456722889 has 8 divisors (see below), whose sum is σ = 14969806824960. Its totient is φ = 7479705551376.

The previous prime is 11223456722831. The next prime is 11223456722899. The reversal of 11223456722889 is 98822765432211.

It is a happy number.

11223456722889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11223456722889 - 2⁹ = 11223456722377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11223456722809) 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, 649722562 + ... + 649739835.

It is an arithmetic number, because the mean of its divisors is an integer number (1871225853120).

Almost surely, 2^{11223456722889} is an apocalyptic number.

It is an amenable number.

11223456722889 is a deficient number, since it is larger than the sum of its proper divisors (3746350102071).

11223456722889 is a wasteful number, since it uses less digits than its factorization.

11223456722889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299465279.

The product of its digits is 23224320, while the sum is 60.

The spelling of 11223456722889 in words is "eleven trillion, two hundred twenty-three billion, four hundred fifty-six million, seven hundred twenty-two thousand, eight hundred eighty-nine".