108543539709 has 24 divisors (see below), whose sum is σ = 172343961504. Its totient is φ = 65281788000.

The previous prime is 108543539681. The next prime is 108543539723. The reversal of 108543539709 is 907935345801.

108543539709 is a `hidden beast` number, since 1 + 0 + 8 + 543 + 5 + 3 + 97 + 0 + 9 = 666.

It is not a de Polignac number, because 108543539709 - 2¹⁷ = 108543408637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108543539759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4171762 + ... + 4197699.

It is an arithmetic number, because the mean of its divisors is an integer number (7180998396).

Almost surely, 2^108543539709 is an apocalyptic number.

It is an amenable number.

108543539709 is a deficient number, since it is larger than the sum of its proper divisors (63800421795).

108543539709 is a wasteful number, since it uses less digits than its factorization.

108543539709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8369609 (or 8369606 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 108543539709 in words is "one hundred eight billion, five hundred forty-three million, five hundred thirty-nine thousand, seven hundred nine".