82045111 has 8 divisors (see below), whose sum is σ = 87105024. Its totient is φ = 77011200.

The previous prime is 82045109. The next prime is 82045129. The reversal of 82045111 is 11154028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82045111 - 2¹ = 82045109 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 (82045151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211 + ... + 12811.

It is an arithmetic number, because the mean of its divisors is an integer number (10888128).

Almost surely, 2^82045111 is an apocalyptic number.

82045111 is a deficient number, since it is larger than the sum of its proper divisors (5059913).

82045111 is a wasteful number, since it uses less digits than its factorization.

82045111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13001.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 82045111 is about 9057.8756339442. The cubic root of 82045111 is about 434.5278022257.

Adding to 82045111 its reverse (11154028), we get a palindrome (93199139).

The spelling of 82045111 in words is "eighty-two million, forty-five thousand, one hundred eleven".