128128848000 has 128 divisors (see below), whose sum is σ = 424747290240. Its totient is φ = 34167680000.

The previous prime is 128128847927. The next prime is 128128848007. The reversal of 128128848000 is 848821821.

128128848000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (128128848007) 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, 1286676 + ... + 1382675.

It is an arithmetic number, because the mean of its divisors is an integer number (3318338205).

Almost surely, 2^128128848000 is an apocalyptic number.

128128848000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128128848000 is an abundant number, since it is smaller than the sum of its proper divisors (296618442240).

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

128128848000 is an equidigital number, since it uses as much as digits as its factorization.

128128848000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669383 (or 2669361 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 42.

The spelling of 128128848000 in words is "one hundred twenty-eight billion, one hundred twenty-eight million, eight hundred forty-eight thousand".