543541413403551 has 16 divisors (see below), whose sum is σ = 728188152864768. Its totient is φ = 360627957009600.

The previous prime is 543541413403531. The next prime is 543541413403553. The reversal of 543541413403551 is 155304314145345.

It is not a de Polignac number, because 543541413403551 - 2²³ = 543541405014943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 543541413403551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543541413403553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3991071 + ... + 33211616.

It is an arithmetic number, because the mean of its divisors is an integer number (45511759554048).

Almost surely, 2^{543541413403551} is an apocalyptic number.

543541413403551 is a deficient number, since it is larger than the sum of its proper divisors (184646739461217).

543541413403551 is a wasteful number, since it uses less digits than its factorization.

543541413403551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37225982.

The product of its (nonzero) digits is 4320000, while the sum is 48.

Adding to 543541413403551 its reverse (155304314145345), we get a palindrome (698845727548896).

The spelling of 543541413403551 in words is "five hundred forty-three trillion, five hundred forty-one billion, four hundred thirteen million, four hundred three thousand, five hundred fifty-one".