106541111 has 4 divisors (see below), whose sum is σ = 106589112. Its totient is φ = 106493112.

The previous prime is 106541107. The next prime is 106541117. The reversal of 106541111 is 111145601.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 106541111 - 2² = 106541107 is a prime.

It is a super-2 number, since 2×106541111² = 22702016666228642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106541117) 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, 20501 + ... + 25166.

It is an arithmetic number, because the mean of its divisors is an integer number (26647278).

Almost surely, 2^106541111 is an apocalyptic number.

106541111 is a deficient number, since it is larger than the sum of its proper divisors (48001).

106541111 is an equidigital number, since it uses as much as digits as its factorization.

106541111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48000.

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 106541111 is about 10321.8753625492. The cubic root of 106541111 is about 474.0662891617.

Adding to 106541111 its reverse (111145601), we get a palindrome (217686712).

The spelling of 106541111 in words is "one hundred six million, five hundred forty-one thousand, one hundred eleven".