2011326043 has 2 divisors, whose sum is σ = 2011326044. Its totient is φ = 2011326042.

The previous prime is 2011325999. The next prime is 2011326067. The reversal of 2011326043 is 3406231102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011326043 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011326743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005663021 + 1005663022.

It is an arithmetic number, because the mean of its divisors is an integer number (1005663022).

Almost surely, 2^2011326043 is an apocalyptic number.

2011326043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011326043 is an equidigital number, since it uses as much as digits as its factorization.

2011326043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2011326043 is about 44847.8097904457. The cubic root of 2011326043 is about 1262.2948944718.

Adding to 2011326043 its reverse (3406231102), we get a palindrome (5417557145).

The spelling of 2011326043 in words is "two billion, eleven million, three hundred twenty-six thousand, forty-three".