128085481025108 has 12 divisors (see below), whose sum is σ = 225275971653600. Its totient is φ = 63720917695512.

The previous prime is 128085481025081. The next prime is 128085481025123. The reversal of 128085481025108 is 801520184580821.

It is a self number, because there is not a number n which added to its sum of digits gives 128085481025108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80455703366 + ... + 80455704957.

It is an arithmetic number, because the mean of its divisors is an integer number (18772997637800).

Almost surely, 2^{128085481025108} is an apocalyptic number.

It is an amenable number.

128085481025108 is a deficient number, since it is larger than the sum of its proper divisors (97190490628492).

128085481025108 is a wasteful number, since it uses less digits than its factorization.

128085481025108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160911408526 (or 160911408524 counting only the distinct ones).

The product of its (nonzero) digits is 1638400, while the sum is 53.

The spelling of 128085481025108 in words is "one hundred twenty-eight trillion, eighty-five billion, four hundred eighty-one million, twenty-five thousand, one hundred eight".