1128286718784 has 140 divisors (see below), whose sum is σ = 3370932657664. Its totient is φ = 373133972736.

The previous prime is 1128286718759. The next prime is 1128286718789. The reversal of 1128286718784 is 4878176828211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128286718789) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 198514 + ... + 1515249.

Almost surely, 2^{1128286718784} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1128286718784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1685466328832).

1128286718784 is an abundant number, since it is smaller than the sum of its proper divisors (2242645938880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1128286718784 is a wasteful number, since it uses less digits than its factorization.

1128286718784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713914 (or 1713895 counting only the distinct ones).

The product of its digits is 19267584, while the sum is 63.

The spelling of 1128286718784 in words is "one trillion, one hundred twenty-eight billion, two hundred eighty-six million, seven hundred eighteen thousand, seven hundred eighty-four".