6324543143256 has 128 divisors (see below), whose sum is σ = 17119200913920. Its totient is φ = 1935550439424.

The previous prime is 6324543143189. The next prime is 6324543143309. The reversal of 6324543143256 is 6523413454236.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 555607341 + ... + 555618723.

It is an arithmetic number, because the mean of its divisors is an integer number (133743757140).

Almost surely, 2^{6324543143256} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6324543143256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8559600456960).

6324543143256 is an abundant number, since it is smaller than the sum of its proper divisors (10794657770664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6324543143256 is a wasteful number, since it uses less digits than its factorization.

6324543143256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20825 (or 20821 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 48.

The spelling of 6324543143256 in words is "six trillion, three hundred twenty-four billion, five hundred forty-three million, one hundred forty-three thousand, two hundred fifty-six".