543121432504 has 32 divisors (see below), whose sum is σ = 1163954793600. Its totient is φ = 232741697760.

The previous prime is 543121432493. The next prime is 543121432517. The reversal of 543121432504 is 405234121345.

It is a self number, because there is not a number n which added to its sum of digits gives 543121432504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25819 + ... + 1042549.

It is an arithmetic number, because the mean of its divisors is an integer number (36373587300).

Almost surely, 2^543121432504 is an apocalyptic number.

It is an amenable number.

543121432504 is an abundant number, since it is smaller than the sum of its proper divisors (620833361096).

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

543121432504 is a wasteful number, since it uses less digits than its factorization.

543121432504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026283 (or 1026279 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 543121432504 its reverse (405234121345), we get a palindrome (948355553849).

The spelling of 543121432504 in words is "five hundred forty-three billion, one hundred twenty-one million, four hundred thirty-two thousand, five hundred four".