128067289008 has 80 divisors (see below), whose sum is σ = 349006471680. Its totient is φ = 40354820352.

The previous prime is 128067288991. The next prime is 128067289111. The reversal of 128067289008 is 800982760821.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270610 + ... + 573902.

It is an arithmetic number, because the mean of its divisors is an integer number (4362580896).

Almost surely, 2^128067289008 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 128067289008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174503235840).

128067289008 is an abundant number, since it is smaller than the sum of its proper divisors (220939182672).

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

128067289008 is a wasteful number, since it uses less digits than its factorization.

128067289008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303786 (or 303780 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 51.

The spelling of 128067289008 in words is "one hundred twenty-eight billion, sixty-seven million, two hundred eighty-nine thousand, eight".