2143403443011 has 8 divisors (see below), whose sum is σ = 2857969142784. Its totient is φ = 1428886685960.

The previous prime is 2143403442997. The next prime is 2143403443079. The reversal of 2143403443011 is 1103443043412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2143403443011 - 2⁷ = 2143403442883 is a prime.

It is a super-2 number, since 2×2143403443011² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2143403443011.

It is not an unprimeable number, because it can be changed into a prime (2143403453011) 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 7 ways as a sum of consecutive naturals, for example, 12133371 + ... + 12308756.

It is an arithmetic number, because the mean of its divisors is an integer number (357246142848).

Almost surely, 2^{2143403443011} is an apocalyptic number.

2143403443011 is a deficient number, since it is larger than the sum of its proper divisors (714565699773).

2143403443011 is a wasteful number, since it uses less digits than its factorization.

2143403443011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24471361.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 2143403443011 its reverse (1103443043412), we get a palindrome (3246846486423).

The spelling of 2143403443011 in words is "two trillion, one hundred forty-three billion, four hundred three million, four hundred forty-three thousand, eleven".