2011040113 has 4 divisors (see below), whose sum is σ = 2011129840. Its totient is φ = 2010950388.

The previous prime is 2011040099. The next prime is 2011040147. The reversal of 2011040113 is 3110401102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2011040113 - 2¹³ = 2011031921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011040093 and 2011040102.

It is not an unprimeable number, because it can be changed into a prime (2011040413) 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, 20506 + ... + 66652.

It is an arithmetic number, because the mean of its divisors is an integer number (502782460).

Almost surely, 2^2011040113 is an apocalyptic number.

It is an amenable number.

2011040113 is a deficient number, since it is larger than the sum of its proper divisors (89727).

2011040113 is an equidigital number, since it uses as much as digits as its factorization.

2011040113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89726.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2011040113 is about 44844.6218960535. The cubic root of 2011040113 is about 1262.2350757128.

Adding to 2011040113 its reverse (3110401102), we get a palindrome (5121441215).

The spelling of 2011040113 in words is "two billion, eleven million, forty thousand, one hundred thirteen".