543105421126 has 16 divisors (see below), whose sum is σ = 834589880208. Its totient is φ = 264909779200.

The previous prime is 543105421069. The next prime is 543105421127. The reversal of 543105421126 is 621124501345.

It is a junction number, because it is equal to n+sod(n) for n = 543105421091 and 543105421100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543105421127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895701 + ... + 1374223.

It is an arithmetic number, because the mean of its divisors is an integer number (52161867513).

Almost surely, 2^543105421126 is an apocalyptic number.

543105421126 is a deficient number, since it is larger than the sum of its proper divisors (291484459082).

543105421126 is a wasteful number, since it uses less digits than its factorization.

543105421126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492407.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 543105421126 in words is "five hundred forty-three billion, one hundred five million, four hundred twenty-one thousand, one hundred twenty-six".