384735818111 has 4 divisors (see below), whose sum is σ = 384742998552. Its totient is φ = 384728637672.

The previous prime is 384735818107. The next prime is 384735818119. The reversal of 384735818111 is 111818537483.

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 384735818111 - 2² = 384735818107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 384735818111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384735818119) 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, 3509240 + ... + 3617213.

It is an arithmetic number, because the mean of its divisors is an integer number (96185749638).

Almost surely, 2^384735818111 is an apocalyptic number.

384735818111 is a deficient number, since it is larger than the sum of its proper divisors (7180441).

384735818111 is an equidigital number, since it uses as much as digits as its factorization.

384735818111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7180440.

The product of its digits is 645120, while the sum is 50.

The spelling of 384735818111 in words is "three hundred eighty-four billion, seven hundred thirty-five million, eight hundred eighteen thousand, one hundred eleven".