159312639321 has 32 divisors (see below), whose sum is σ = 257529354240. Its totient is φ = 96532722000.

The previous prime is 159312639313. The next prime is 159312639331. The reversal of 159312639321 is 123936213951.

159312639321 is a `hidden beast` number, since 1 + 5 + 9 + 3 + 1 + 2 + 639 + 3 + 2 + 1 = 666.

It is not a de Polignac number, because 159312639321 - 2³ = 159312639313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (159312639301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1416276 + ... + 1524618.

It is an arithmetic number, because the mean of its divisors is an integer number (8047792320).

Almost surely, 2^159312639321 is an apocalyptic number.

159312639321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

159312639321 is a deficient number, since it is larger than the sum of its proper divisors (98216714919).

159312639321 is a wasteful number, since it uses less digits than its factorization.

159312639321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113314 (or 113308 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The spelling of 159312639321 in words is "one hundred fifty-nine billion, three hundred twelve million, six hundred thirty-nine thousand, three hundred twenty-one".