108559844999028 has 120 divisors (see below), whose sum is σ = 288757179276104. Its totient is φ = 35555399193600.

The previous prime is 108559844998999. The next prime is 108559844999033. The reversal of 108559844999028 is 820999448955801.

108559844999028 is a `hidden beast` number, since 1 + 0 + 85 + 5 + 9 + 8 + 449 + 9 + 90 + 2 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5372808756624 + 103187036242404 = 2317932^2 + 10158102^2 .

It is a super-2 number, since 2×108559844999028² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15587808 + ... + 21449928.

Almost surely, 2^{108559844999028} is an apocalyptic number.

108559844999028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108559844999028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144378589638052).

108559844999028 is an abundant number, since it is smaller than the sum of its proper divisors (180197334277076).

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

108559844999028 is a wasteful number, since it uses less digits than its factorization.

108559844999028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5863135 (or 5863124 counting only the distinct ones).

The product of its (nonzero) digits is 2687385600, while the sum is 81.

The spelling of 108559844999028 in words is "one hundred eight trillion, five hundred fifty-nine billion, eight hundred forty-four million, nine hundred ninety-nine thousand, twenty-eight".