128000780175432 has 64 divisors (see below), whose sum is σ = 336871967616000. Its totient is φ = 40417961891904.

The previous prime is 128000780175431. The next prime is 128000780175551. The reversal of 128000780175432 is 234571087000821.

It is not an unprimeable number, because it can be changed into a prime (128000780175431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6054868 + ... + 17107395.

It is an arithmetic number, because the mean of its divisors is an integer number (5263624494000).

Almost surely, 2^{128000780175432} is an apocalyptic number.

128000780175432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128000780175432 is an abundant number, since it is smaller than the sum of its proper divisors (208871187440568).

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

128000780175432 is a wasteful number, since it uses less digits than its factorization.

128000780175432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23174410 (or 23174406 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 128000780175432 in words is "one hundred twenty-eight trillion, seven hundred eighty million, one hundred seventy-five thousand, four hundred thirty-two".