2001411143 has 4 divisors (see below), whose sum is σ = 2028827808. Its totient is φ = 1973994480.

The previous prime is 2001411131. The next prime is 2001411149. The reversal of 2001411143 is 3411141002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3411141002 = 2 ⋅1705570501.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001411143 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 (2001411149) 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, 13708223 + ... + 13708368.

It is an arithmetic number, because the mean of its divisors is an integer number (507206952).

Almost surely, 2^2001411143 is an apocalyptic number.

2001411143 is a deficient number, since it is larger than the sum of its proper divisors (27416665).

2001411143 is an equidigital number, since it uses as much as digits as its factorization.

2001411143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27416664.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2001411143 is about 44737.1338263863. The cubic root of 2001411143 is about 1260.2173016919.

Adding to 2001411143 its reverse (3411141002), we get a palindrome (5412552145).

The spelling of 2001411143 in words is "two billion, one million, four hundred eleven thousand, one hundred forty-three".