2005451112143 has 8 divisors (see below), whose sum is σ = 2137481203680. Its totient is φ = 1874983507200.

The previous prime is 2005451112131. The next prime is 2005451112173. The reversal of 2005451112143 is 3412111545002.

It is a happy number.

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 2005451112143 - 2¹² = 2005451108047 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 (2005451112103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390618998 + ... + 390624131.

It is an arithmetic number, because the mean of its divisors is an integer number (267185150460).

Almost surely, 2^{2005451112143} is an apocalyptic number.

2005451112143 is a deficient number, since it is larger than the sum of its proper divisors (132030091537).

2005451112143 is a wasteful number, since it uses less digits than its factorization.

2005451112143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781243297.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 2005451112143 its reverse (3412111545002), we get a palindrome (5417562657145).

The spelling of 2005451112143 in words is "two trillion, five billion, four hundred fifty-one million, one hundred twelve thousand, one hundred forty-three".