2104111305 has 12 divisors (see below), whose sum is σ = 3647126340. Its totient is φ = 1122192672.

The previous prime is 2104111297. The next prime is 2104111309. The reversal of 2104111305 is 5031114012.

2104111305 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1632483216 + 471628089 = 40404^2 + 21717^2 .

It is not a de Polignac number, because 2104111305 - 2³ = 2104111297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2104111309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23378970 + ... + 23379059.

It is an arithmetic number, because the mean of its divisors is an integer number (303927195).

Almost surely, 2^2104111305 is an apocalyptic number.

It is an amenable number.

2104111305 is a deficient number, since it is larger than the sum of its proper divisors (1543015035).

2104111305 is a wasteful number, since it uses less digits than its factorization.

2104111305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46758040 (or 46758037 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 2104111305 is about 45870.5930308297. The cubic root of 2104111305 is about 1281.4143109361.

Adding to 2104111305 its reverse (5031114012), we get a palindrome (7135225317).

The spelling of 2104111305 in words is "two billion, one hundred four million, one hundred eleven thousand, three hundred five".