159111 has 16 divisors (see below), whose sum is σ = 241920. Its totient is φ = 103320.

The previous prime is 159097. The next prime is 159113. The reversal of 159111 is 111951.

It is not a de Polignac number, because 159111 - 2⁵ = 159079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159113) 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, 1876 + ... + 1958.

It is an arithmetic number, because the mean of its divisors is an integer number (15120).

2¹⁵⁹¹¹¹ is an apocalyptic number.

159111 is a deficient number, since it is larger than the sum of its proper divisors (82809).

159111 is an equidigital number, since it uses as much as digits as its factorization.

159111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 157 counting only the distinct ones).

The product of its digits is 45, while the sum is 18.

The square root of 159111 is about 398.8872021010. The cubic root of 159111 is about 54.1876189818.

The spelling of 159111 in words is "one hundred fifty-nine thousand, one hundred eleven".