204560532134543 has 8 divisors (see below), whose sum is σ = 221977606217136. Its totient is φ = 187383693556800.

The previous prime is 204560532134533. The next prime is 204560532134573. The reversal of 204560532134543 is 345431235065402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204560532134543 - 2¹⁶ = 204560532069007 is a prime.

It is a super-2 number, since 2×204560532134543² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204560532134533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60058874438 + ... + 60058877843.

It is an arithmetic number, because the mean of its divisors is an integer number (27747200777142).

Almost surely, 2^{204560532134543} is an apocalyptic number.

204560532134543 is a deficient number, since it is larger than the sum of its proper divisors (17417074082593).

204560532134543 is a wasteful number, since it uses less digits than its factorization.

204560532134543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120117752425.

The product of its (nonzero) digits is 5184000, while the sum is 47.

Adding to 204560532134543 its reverse (345431235065402), we get a palindrome (549991767199945).

The spelling of 204560532134543 in words is "two hundred four trillion, five hundred sixty billion, five hundred thirty-two million, one hundred thirty-four thousand, five hundred forty-three".