159121409659 has 2 divisors, whose sum is σ = 159121409660. Its totient is φ = 159121409658.

The previous prime is 159121409651. The next prime is 159121409687. The reversal of 159121409659 is 956904121951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 159121409659 - 2³ = 159121409651 is a prime.

It is not a weakly prime, because it can be changed into another prime (159121409651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79560704829 + 79560704830.

It is an arithmetic number, because the mean of its divisors is an integer number (79560704830).

Almost surely, 2^159121409659 is an apocalyptic number.

159121409659 is a deficient number, since it is larger than the sum of its proper divisors (1).

159121409659 is an equidigital number, since it uses as much as digits as its factorization.

159121409659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 874800, while the sum is 52.

The spelling of 159121409659 in words is "one hundred fifty-nine billion, one hundred twenty-one million, four hundred nine thousand, six hundred fifty-nine".