2011043143 has 4 divisors (see below), whose sum is σ = 2045128680. Its totient is φ = 1976957608.

The previous prime is 2011043141. The next prime is 2011043147. The reversal of 2011043143 is 3413401102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3413401102 = 2 ⋅1706700551.

It is a cyclic number.

It is not a de Polignac number, because 2011043143 - 2¹ = 2011043141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2011043143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011043141) 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 in 3 ways as a sum of consecutive naturals, for example, 17042680 + ... + 17042797.

It is an arithmetic number, because the mean of its divisors is an integer number (511282170).

Almost surely, 2^2011043143 is an apocalyptic number.

2011043143 is a deficient number, since it is larger than the sum of its proper divisors (34085537).

2011043143 is an equidigital number, since it uses as much as digits as its factorization.

2011043143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34085536.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2011043143 is about 44844.6556793560. The cubic root of 2011043143 is about 1262.2357096418.

Adding to 2011043143 its reverse (3413401102), we get a palindrome (5424444245).

The spelling of 2011043143 in words is "two billion, eleven million, forty-three thousand, one hundred forty-three".