204111140624543 has 2 divisors, whose sum is σ = 204111140624544. Its totient is φ = 204111140624542.

The previous prime is 204111140624509. The next prime is 204111140624597. The reversal of 204111140624543 is 345426041111402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204111140624543 - 2²² = 204111136430239 is a prime.

It is a super-2 number, since 2×204111140624543² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204111140624497 and 204111140624506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204111140824543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102055570312271 + 102055570312272.

It is an arithmetic number, because the mean of its divisors is an integer number (102055570312272).

Almost surely, 2^{204111140624543} is an apocalyptic number.

204111140624543 is a deficient number, since it is larger than the sum of its proper divisors (1).

204111140624543 is an equidigital number, since it uses as much as digits as its factorization.

204111140624543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 38.

Adding to 204111140624543 its reverse (345426041111402), we get a palindrome (549537181735945).

The spelling of 204111140624543 in words is "two hundred four trillion, one hundred eleven billion, one hundred forty million, six hundred twenty-four thousand, five hundred forty-three".