2011243411 has 4 divisors (see below), whose sum is σ = 2054035872. Its totient is φ = 1968450952.

The previous prime is 2011243379. The next prime is 2011243427. The reversal of 2011243411 is 1143421102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2011243411 - 2⁵ = 2011243379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011243111) 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 3 ways as a sum of consecutive naturals, for example, 21396160 + ... + 21396253.

It is an arithmetic number, because the mean of its divisors is an integer number (513508968).

Almost surely, 2^2011243411 is an apocalyptic number.

2011243411 is a deficient number, since it is larger than the sum of its proper divisors (42792461).

2011243411 is an equidigital number, since it uses as much as digits as its factorization.

2011243411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42792460.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2011243411 is about 44846.8885319818. Note that the first 3 decimals coincide. The cubic root of 2011243411 is about 1262.2776078032.

Adding to 2011243411 its reverse (1143421102), we get a palindrome (3154664513).

The spelling of 2011243411 in words is "two billion, eleven million, two hundred forty-three thousand, four hundred eleven".