128928853252800 has 252 divisors, whose sum is σ = 460803615241320. Its totient is φ = 34188954071040.

The previous prime is 128928853252757. The next prime is 128928853252847. The reversal of 128928853252800 is 8252358829821.

128928853252800 is a `hidden beast` number, since 1 + 2 + 8 + 9 + 28 + 8 + 5 + 325 + 280 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22431877 + ... + 27587076.

Almost surely, 2^{128928853252800} is an apocalyptic number.

128928853252800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128928853252800 is an abundant number, since it is smaller than the sum of its proper divisors (331874761988520).

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

128928853252800 is a wasteful number, since it uses less digits than its factorization.

128928853252800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50019160 (or 50019142 counting only the distinct ones).

The product of its (nonzero) digits is 44236800, while the sum is 63.

The spelling of 128928853252800 in words is "one hundred twenty-eight trillion, nine hundred twenty-eight billion, eight hundred fifty-three million, two hundred fifty-two thousand, eight hundred".