128335456018576 has 15 divisors (see below), whose sum is σ = 248650033832083. Its totient is φ = 64167705352240.

The previous prime is 128335456018519. The next prime is 128335456018579. The reversal of 128335456018576 is 675810654533821.

The square root of 128335456018576 is 11328524.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128335456018579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 43898031 + ... + 46730161.

Almost surely, 2^{128335456018576} is an apocalyptic number.

128335456018576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

128335456018576 is the 11328524-th square number.

It is an amenable number.

128335456018576 is a deficient number, since it is larger than the sum of its proper divisors (120314577813507).

128335456018576 is an frugal number, since it uses more digits than its factorization.

128335456018576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5664270 (or 2832133 counting only the distinct ones).

The product of its (nonzero) digits is 145152000, while the sum is 64.

The spelling of 128335456018576 in words is "one hundred twenty-eight trillion, three hundred thirty-five billion, four hundred fifty-six million, eighteen thousand, five hundred seventy-six".