159011 has 4 divisors (see below), whose sum is σ = 167400. Its totient is φ = 150624.

The previous prime is 158993. The next prime is 159013. The reversal of 159011 is 110951.

It is a happy number.

159011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159011 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4166 + ... + 4203.

It is an arithmetic number, because the mean of its divisors is an integer number (41850).

2¹⁵⁹⁰¹¹ is an apocalyptic number.

159011 is a deficient number, since it is larger than the sum of its proper divisors (8389).

159011 is an equidigital number, since it uses as much as digits as its factorization.

159011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8388.

The product of its (nonzero) digits is 45, while the sum is 17.

The square root of 159011 is about 398.7618336802. The cubic root of 159011 is about 54.1762644400.

Adding to 159011 its reverse (110951), we get a palindrome (269962).

The spelling of 159011 in words is "one hundred fifty-nine thousand, eleven".