2113505041 has 4 divisors (see below), whose sum is σ = 2113606692. Its totient is φ = 2113403392.

The previous prime is 2113505039. The next prime is 2113505057. The reversal of 2113505041 is 1405053112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 274896400 + 1838608641 = 16580^2 + 42879^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113505041 - 2¹ = 2113505039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113500041) 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, 7096 + ... + 65401.

It is an arithmetic number, because the mean of its divisors is an integer number (528401673).

Almost surely, 2^2113505041 is an apocalyptic number.

It is an amenable number.

2113505041 is a deficient number, since it is larger than the sum of its proper divisors (101651).

2113505041 is an equidigital number, since it uses as much as digits as its factorization.

2113505041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101650.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 2113505041 is about 45972.8728817332. The cubic root of 2113505041 is about 1283.3184241967.

Adding to 2113505041 its reverse (1405053112), we get a palindrome (3518558153).

The spelling of 2113505041 in words is "two billion, one hundred thirteen million, five hundred five thousand, forty-one".