128853171208 has 16 divisors (see below), whose sum is σ = 241605787500. Its totient is φ = 64424961216.

The previous prime is 128853171163. The next prime is 128853171269. The reversal of 128853171208 is 802171358821.

It can be written as a sum of positive squares in 2 ways, for example, as 122501400004 + 6351771204 = 350002^2 + 79698^2 .

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, 175618 + ... + 537166.

Almost surely, 2^128853171208 is an apocalyptic number.

It is an amenable number.

128853171208 is a deficient number, since it is larger than the sum of its proper divisors (112752616292).

128853171208 is a wasteful number, since it uses less digits than its factorization.

128853171208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406104 (or 406100 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 46.

The spelling of 128853171208 in words is "one hundred twenty-eight billion, eight hundred fifty-three million, one hundred seventy-one thousand, two hundred eight".