128282300757855 has 32 divisors (see below), whose sum is σ = 228070819953600. Its totient is φ = 68413208155776.

The previous prime is 128282300757817. The next prime is 128282300757869. The reversal of 128282300757855 is 558757003282821.

128282300757855 is a `hidden beast` number, since 1 + 2 + 8 + 2 + 8 + 2 + 3 + 0 + 0 + 7 + 578 + 55 = 666.

It is not a de Polignac number, because 128282300757855 - 2²⁶ = 128282233648991 is a prime.

It is a super-3 number, since 3×128282300757855³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 128282300757792 and 128282300757801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25601704 + ... + 30199533.

It is an arithmetic number, because the mean of its divisors is an integer number (7127213123550).

Almost surely, 2^{128282300757855} is an apocalyptic number.

128282300757855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

128282300757855 is a deficient number, since it is larger than the sum of its proper divisors (99788519195745).

128282300757855 is a wasteful number, since it uses less digits than its factorization.

128282300757855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55818280 (or 55818274 counting only the distinct ones).

The product of its (nonzero) digits is 75264000, while the sum is 63.

The spelling of 128282300757855 in words is "one hundred twenty-eight trillion, two hundred eighty-two billion, three hundred million, seven hundred fifty-seven thousand, eight hundred fifty-five".