159291560561 has 16 divisors (see below), whose sum is σ = 182771662848. Its totient is φ = 135992908800.

The previous prime is 159291560531. The next prime is 159291560567. The reversal of 159291560561 is 165065192951.

It is not a de Polignac number, because 159291560561 - 2¹⁸ = 159291298417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159291560567) 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, 5084816 + ... + 5116046.

It is an arithmetic number, because the mean of its divisors is an integer number (11423228928).

Almost surely, 2^159291560561 is an apocalyptic number.

It is an amenable number.

159291560561 is a deficient number, since it is larger than the sum of its proper divisors (23480102287).

159291560561 is a wasteful number, since it uses less digits than its factorization.

159291560561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34112.

The product of its (nonzero) digits is 729000, while the sum is 50.

The spelling of 159291560561 in words is "one hundred fifty-nine billion, two hundred ninety-one million, five hundred sixty thousand, five hundred sixty-one".