1112344456789 has 4 divisors (see below), whose sum is σ = 1142407820524. Its totient is φ = 1082281093056.

The previous prime is 1112344456771. The next prime is 1112344456801. The reversal of 1112344456789 is 9876544432111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1033373902500 + 78970554289 = 1016550^2 + 281017^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112344456789 - 2⁹ = 1112344456277 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 (1112344459789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15031681812 + ... + 15031681885.

It is an arithmetic number, because the mean of its divisors is an integer number (285601955131).

Almost surely, 2^{1112344456789} is an apocalyptic number.

It is an amenable number.

1112344456789 is a deficient number, since it is larger than the sum of its proper divisors (30063363735).

1112344456789 is an equidigital number, since it uses as much as digits as its factorization.

1112344456789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30063363734.

The product of its digits is 5806080, while the sum is 55.

The spelling of 1112344456789 in words is "one trillion, one hundred twelve billion, three hundred forty-four million, four hundred fifty-six thousand, seven hundred eighty-nine".