159259320491 has 16 divisors (see below), whose sum is σ = 171033182208. Its totient is φ = 147753513600.

The previous prime is 159259320487. The next prime is 159259320527. The reversal of 159259320491 is 194023952951.

It is a cyclic number.

It is not a de Polignac number, because 159259320491 - 2² = 159259320487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (159259320401) 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, 10907606 + ... + 10922196.

It is an arithmetic number, because the mean of its divisors is an integer number (10689573888).

Almost surely, 2^159259320491 is an apocalyptic number.

159259320491 is a deficient number, since it is larger than the sum of its proper divisors (11773861717).

159259320491 is a wasteful number, since it uses less digits than its factorization.

159259320491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23722.

The product of its (nonzero) digits is 874800, while the sum is 50.

The spelling of 159259320491 in words is "one hundred fifty-nine billion, two hundred fifty-nine million, three hundred twenty thousand, four hundred ninety-one".