159155205242929 has 9 divisors (see below), whose sum is σ = 185139831275577. Its totient is φ = 136418671657044.

The previous prime is 159155205242833. The next prime is 159155205243019. The reversal of 159155205242929 is 929242502551951.

The square root of 159155205242929 is 12615673.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 159155205242929 - 2¹⁷ = 159155205111857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159155205245929) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 87408592 + ... + 89210830.

It is an arithmetic number, because the mean of its divisors is an integer number (20571092363953).

Almost surely, 2^{159155205242929} is an apocalyptic number.

159155205242929 is the 12615673-rd square number.

159155205242929 is the 6307837-th centered octagonal number.

It is an amenable number.

159155205242929 is a deficient number, since it is larger than the sum of its proper divisors (25984626032648).

159155205242929 is an frugal number, since it uses more digits than its factorization.

159155205242929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3604492 (or 1802246 counting only the distinct ones).

The product of its (nonzero) digits is 29160000, while the sum is 61.

The spelling of 159155205242929 in words is "one hundred fifty-nine trillion, one hundred fifty-five billion, two hundred five million, two hundred forty-two thousand, nine hundred twenty-nine".