128175645282 has 8 divisors (see below), whose sum is σ = 256351290576. Its totient is φ = 42725215092.

The previous prime is 128175645251. The next prime is 128175645293. The reversal of 128175645282 is 282546571821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

128175645282 is an admirable 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, 10681303768 + ... + 10681303779.

It is an arithmetic number, because the mean of its divisors is an integer number (32043911322).

Almost surely, 2^128175645282 is an apocalyptic number.

128175645282 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

128175645282 is a wasteful number, since it uses less digits than its factorization.

128175645282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21362607552.

The product of its digits is 2150400, while the sum is 51.

The spelling of 128175645282 in words is "one hundred twenty-eight billion, one hundred seventy-five million, six hundred forty-five thousand, two hundred eighty-two".