128085079952 has 20 divisors (see below), whose sum is σ = 249450676620. Its totient is φ = 63710711808.

The previous prime is 128085079931. The next prime is 128085079961. The reversal of 128085079952 is 259970580821.

It can be written as a sum of positive squares in 2 ways, for example, as 20017722256 + 108067357696 = 141484^2 + 328736^2 .

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, 20736077 + ... + 20742252.

It is an arithmetic number, because the mean of its divisors is an integer number (12472533831).

Almost surely, 2^128085079952 is an apocalyptic number.

It is an amenable number.

128085079952 is a deficient number, since it is larger than the sum of its proper divisors (121365596668).

128085079952 is a wasteful number, since it uses less digits than its factorization.

128085079952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41478530 (or 41478524 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 56.

The spelling of 128085079952 in words is "one hundred twenty-eight billion, eighty-five million, seventy-nine thousand, nine hundred fifty-two".