159217938885 has 16 divisors (see below), whose sum is σ = 255431683584. Its totient is φ = 84688573632.

The previous prime is 159217938871. The next prime is 159217938889. The reversal of 159217938885 is 588839712951.

It is not a de Polignac number, because 159217938885 - 2¹⁰ = 159217937861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159217938889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14222997 + ... + 14234186.

It is an arithmetic number, because the mean of its divisors is an integer number (15964480224).

Almost surely, 2^159217938885 is an apocalyptic number.

159217938885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

159217938885 is a deficient number, since it is larger than the sum of its proper divisors (96213744699).

159217938885 is a wasteful number, since it uses less digits than its factorization.

159217938885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28457564.

The product of its digits is 43545600, while the sum is 66.

The spelling of 159217938885 in words is "one hundred fifty-nine billion, two hundred seventeen million, nine hundred thirty-eight thousand, eight hundred eighty-five".