2104111520 has 96 divisors (see below), whose sum is σ = 5724867456. Its totient is φ = 715852800.

The previous prime is 2104111511. The next prime is 2104111549. The reversal of 2104111520 is 251114012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139550 + ... + 153890.

It is an arithmetic number, because the mean of its divisors is an integer number (59634036).

Almost surely, 2^2104111520 is an apocalyptic number.

2104111520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2104111520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2862433728).

2104111520 is an abundant number, since it is smaller than the sum of its proper divisors (3620755936).

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

2104111520 is a wasteful number, since it uses less digits than its factorization.

2104111520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14494 (or 14486 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 2104111520 is about 45870.5953743790. The cubic root of 2104111520 is about 1281.4143545815.

Adding to 2104111520 its reverse (251114012), we get a palindrome (2355225532).

The spelling of 2104111520 in words is "two billion, one hundred four million, one hundred eleven thousand, five hundred twenty".