2011159 has 4 divisors (see below), whose sum is σ = 2029720. Its totient is φ = 1992600.

The previous prime is 2011147. The next prime is 2011171. The reversal of 2011159 is 9511102.

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

It is an interprime number because it is at equal distance from previous prime (2011147) and next prime (2011171).

It is a cyclic number.

It is not a de Polignac number, because 2011159 - 2⁵ = 2011127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9117 + ... + 9334.

It is an arithmetic number, because the mean of its divisors is an integer number (507430).

2^2011159 is an apocalyptic number.

2011159 is a deficient number, since it is larger than the sum of its proper divisors (18561).

2011159 is a wasteful number, since it uses less digits than its factorization.

2011159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18560.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 2011159 is about 1418.1533767544. The cubic root of 2011159 is about 126.2259948478.

The spelling of 2011159 in words is "two million, eleven thousand, one hundred fifty-nine".