204111140624523 has 48 divisors (see below), whose sum is σ = 340311738648960. Its totient is φ = 116585781580800.

The previous prime is 204111140624509. The next prime is 204111140624543. The reversal of 204111140624523 is 325426041111402.

204111140624523 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 1 + 1 + 1 + 4 + 0 + 624 + 5 + 23 = 666.

It is not a de Polignac number, because 204111140624523 - 2⁴ = 204111140624507 is a prime.

It is a super-2 number, since 2×204111140624523² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204111140624543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 280756233 + ... + 281482298.

It is an arithmetic number, because the mean of its divisors is an integer number (7089827888520).

Almost surely, 2^{204111140624523} is an apocalyptic number.

204111140624523 is a deficient number, since it is larger than the sum of its proper divisors (136200598024437).

204111140624523 is a wasteful number, since it uses less digits than its factorization.

204111140624523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562238760 (or 562238757 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

Adding to 204111140624523 its reverse (325426041111402), we get a palindrome (529537181735925).

The spelling of 204111140624523 in words is "two hundred four trillion, one hundred eleven billion, one hundred forty million, six hundred twenty-four thousand, five hundred twenty-three".