159597987051 has 8 divisors (see below), whose sum is σ = 212803986384. Its totient is φ = 106395322880.

The previous prime is 159597987019. The next prime is 159597987061. The reversal of 159597987051 is 150789795951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 159597987051 - 2⁵ = 159597987019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (159597987061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719910 + ... + 915131.

It is an arithmetic number, because the mean of its divisors is an integer number (26600498298).

Almost surely, 2^159597987051 is an apocalyptic number.

159597987051 is a deficient number, since it is larger than the sum of its proper divisors (53205999333).

159597987051 is a wasteful number, since it uses less digits than its factorization.

159597987051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667581.

The product of its (nonzero) digits is 35721000, while the sum is 66.

The spelling of 159597987051 in words is "one hundred fifty-nine billion, five hundred ninety-seven million, nine hundred eighty-seven thousand, fifty-one".