1112344556789 has 8 divisors (see below), whose sum is σ = 1119741680280. Its totient is φ = 1104951384576.

The previous prime is 1112344556777. The next prime is 1112344556797. The reversal of 1112344556789 is 9876554432111.

It can be written as a sum of positive squares in 4 ways, for example, as 213323896900 + 899020659889 = 461870^2 + 948167^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1112344556789 - 2⁴ = 1112344556773 is a prime.

It is a Duffinian number.

It is a Curzon 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 (1112344556759) 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, 421844 + ... + 1550045.

It is an arithmetic number, because the mean of its divisors is an integer number (139967710035).

Almost surely, 2^{1112344556789} is an apocalyptic number.

It is an amenable number.

1112344556789 is a deficient number, since it is larger than the sum of its proper divisors (7397123491).

1112344556789 is a wasteful number, since it uses less digits than its factorization.

1112344556789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975639.

The product of its digits is 7257600, while the sum is 56.

The spelling of 1112344556789 in words is "one trillion, one hundred twelve billion, three hundred forty-four million, five hundred fifty-six thousand, seven hundred eighty-nine".