108085851085808 has 80 divisors (see below), whose sum is σ = 217966896329952. Its totient is φ = 51880832640000.

The previous prime is 108085851085783. The next prime is 108085851085811. The reversal of 108085851085808 is 808580158580801.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 53610578 + ... + 55590158.

Almost surely, 2^{108085851085808} is an apocalyptic number.

It is an amenable number.

108085851085808 is an abundant number, since it is smaller than the sum of its proper divisors (109881045244144).

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

108085851085808 is a wasteful number, since it uses less digits than its factorization.

108085851085808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980994 (or 1980988 counting only the distinct ones).

The product of its (nonzero) digits is 32768000, while the sum is 65.

The spelling of 108085851085808 in words is "one hundred eight trillion, eighty-five billion, eight hundred fifty-one million, eighty-five thousand, eight hundred eight".