128633425450042 is digitally balanced in base 3, 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 an unprimeable number.
Almost surely, 2128633425450042 is an apocalyptic number.
128633425450042 is a wasteful number, since it uses less digits than its factorization.
128633425450042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61195731524.
Adding to 128633425450042 its reverse (240054524336821), we get a palindrome (368687949786863).
The spelling of 128633425450042 in words is "one hundred twenty-eight trillion, six hundred thirty-three billion, four hundred twenty-five million, four hundred fifty thousand, forty-two".