2011240133 has 12 divisors (see below), whose sum is σ = 2341102860. Its totient is φ = 1722817152.

The previous prime is 2011240111. The next prime is 2011240139. The reversal of 2011240133 is 3310421102.

It can be written as a sum of positive squares in 2 ways, for example, as 581870884 + 1429369249 = 24122^2 + 37807^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2011240133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011240139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69485 + ... + 94077.

It is an arithmetic number, because the mean of its divisors is an integer number (195091905).

Almost surely, 2^2011240133 is an apocalyptic number.

It is an amenable number.

2011240133 is a deficient number, since it is larger than the sum of its proper divisors (329862727).

2011240133 is a wasteful number, since it uses less digits than its factorization.

2011240133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26276 (or 26269 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2011240133 is about 44846.8519853958. The cubic root of 2011240133 is about 1262.2769220337.

Adding to 2011240133 its reverse (3310421102), we get a palindrome (5321661235).

The spelling of 2011240133 in words is "two billion, eleven million, two hundred forty thousand, one hundred thirty-three".