85881340861136 has 20 divisors (see below), whose sum is σ = 166742478096000. Its totient is φ = 42851023933152.

The previous prime is 85881340861117. The next prime is 85881340861157. The reversal of 85881340861136 is 63116804318858.

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 3 ways as a sum of consecutive naturals, for example, 5602898186 + ... + 5602913513.

It is an arithmetic number, because the mean of its divisors is an integer number (8337123904800).

Almost surely, 2^{85881340861136} is an apocalyptic number.

It is an amenable number.

85881340861136 is a deficient number, since it is larger than the sum of its proper divisors (80861137234864).

85881340861136 is a wasteful number, since it uses less digits than its factorization.

85881340861136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11205812186 (or 11205812180 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 62.

The spelling of 85881340861136 in words is "eighty-five trillion, eight hundred eighty-one billion, three hundred forty million, eight hundred sixty-one thousand, one hundred thirty-six".