128001509226688 has 56 divisors (see below), whose sum is σ = 267779042852832. Its totient is φ = 60586998472704.

The previous prime is 128001509226601. The next prime is 128001509226713. The reversal of 128001509226688 is 886622905100821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448091995 + ... + 448377562.

It is an arithmetic number, because the mean of its divisors is an integer number (4781768622372).

Almost surely, 2^{128001509226688} is an apocalyptic number.

It is an amenable number.

128001509226688 is an abundant number, since it is smaller than the sum of its proper divisors (139777533626144).

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

128001509226688 is an equidigital number, since it uses as much as digits as its factorization.

128001509226688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896469689 (or 896469679 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 58.

The spelling of 128001509226688 in words is "one hundred twenty-eight trillion, one billion, five hundred nine million, two hundred twenty-six thousand, six hundred eighty-eight".