128559536704 has 21 divisors (see below), whose sum is σ = 255116022787. Its totient is φ = 64278334144.

The previous prime is 128559536683. The next prime is 128559536711. The reversal of 128559536704 is 407635955821.

The square root of 128559536704 is 358552.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2846007 + ... + 2890825.

It is a 1-persistent number, because it is pandigital, but 2⋅128559536704 = 257119073408 is not.

Almost surely, 2^128559536704 is an apocalyptic number.

128559536704 is the 358552-nd square number.

It is an amenable number.

128559536704 is a deficient number, since it is larger than the sum of its proper divisors (126556486083).

128559536704 is an frugal number, since it uses more digits than its factorization.

128559536704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89650 (or 44821 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 55.

The spelling of 128559536704 in words is "one hundred twenty-eight billion, five hundred fifty-nine million, five hundred thirty-six thousand, seven hundred four".