128281752806086 has 16 divisors (see below), whose sum is σ = 209915860170960. Its totient is φ = 58309814119680.

The previous prime is 128281752806083. The next prime is 128281752806087. The reversal of 128281752806086 is 680608257182821.

It is a super-3 number, since 3×128281752806086³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128281752806083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16672330 + ... + 23119906.

It is an arithmetic number, because the mean of its divisors is an integer number (13119741260685).

Almost surely, 2^{128281752806086} is an apocalyptic number.

128281752806086 is a deficient number, since it is larger than the sum of its proper divisors (81634107364874).

128281752806086 is a wasteful number, since it uses less digits than its factorization.

128281752806086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7351959.

The product of its (nonzero) digits is 41287680, while the sum is 64.

The spelling of 128281752806086 in words is "one hundred twenty-eight trillion, two hundred eighty-one billion, seven hundred fifty-two million, eight hundred six thousand, eighty-six".