2104111506 has 16 divisors (see below), whose sum is σ = 4809397824. Its totient is φ = 601174704.

The previous prime is 2104111441. The next prime is 2104111511. The reversal of 2104111506 is 6051114012.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25048905 + ... + 25048988.

It is an arithmetic number, because the mean of its divisors is an integer number (300587364).

Almost surely, 2^2104111506 is an apocalyptic number.

2104111506 is an abundant number, since it is smaller than the sum of its proper divisors (2705286318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2104111506 is a wasteful number, since it uses less digits than its factorization.

2104111506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50097905.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 2104111506 is about 45870.5952217758. The cubic root of 2104111506 is about 1281.4143517395.

Adding to 2104111506 its reverse (6051114012), we get a palindrome (8155225518).

The spelling of 2104111506 in words is "two billion, one hundred four million, one hundred eleven thousand, five hundred six".