543131436051 has 80 divisors (see below), whose sum is σ = 873596845440. Its totient is φ = 335062241280.

The previous prime is 543131436041. The next prime is 543131436073. The reversal of 543131436051 is 150634131345.

543131436051 is a `hidden beast` number, since 5 + 4 + 3 + 1 + 3 + 1 + 43 + 605 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-543131436051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 543131435997 and 543131436015.

It is not an unprimeable number, because it can be changed into a prime (543131436011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 26206345 + ... + 26227061.

It is an arithmetic number, because the mean of its divisors is an integer number (10919960568).

Almost surely, 2^543131436051 is an apocalyptic number.

543131436051 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

543131436051 is a deficient number, since it is larger than the sum of its proper divisors (330465409389).

543131436051 is a wasteful number, since it uses less digits than its factorization.

543131436051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21066 (or 21057 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 543131436051 its reverse (150634131345), we get a palindrome (693765567396).

The spelling of 543131436051 in words is "five hundred forty-three billion, one hundred thirty-one million, four hundred thirty-six thousand, fifty-one".