36111 has 4 divisors (see below), whose sum is σ = 48152. Its totient is φ = 24072.

The previous prime is 36109. The next prime is 36131. The reversal of 36111 is 11163.

36111 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 not a de Polignac number, because 36111 - 2¹ = 36109 is a prime.

It is a D-number.

It is a Duffinian number.

36111 is a modest number, since divided by 111 gives 36 as remainder.

It is a plaindrome in base 13.

It is a nialpdrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 36111.

It is not an unprimeable number, because it can be changed into a prime (36131) 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, 6016 + ... + 6021.

It is an arithmetic number, because the mean of its divisors is an integer number (12038).

2³⁶¹¹¹ is an apocalyptic number.

36111 is a deficient number, since it is larger than the sum of its proper divisors (12041).

36111 is a wasteful number, since it uses less digits than its factorization.

36111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12040.

The product of its digits is 18, while the sum is 12.

The square root of 36111 is about 190.0289451636. The cubic root of 36111 is about 33.0531741439.

Adding to 36111 its reverse (11163), we get a palindrome (47274).

The spelling of 36111 in words is "thirty-six thousand, one hundred eleven".