204555305254125 has 96 divisors (see below), whose sum is σ = 399803575272192. Its totient is φ = 90983670854400.

The previous prime is 204555305254057. The next prime is 204555305254141. The reversal of 204555305254125 is 521452503555402.

It is not a de Polignac number, because 204555305254125 - 2¹² = 204555305250029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24867234 + ... + 32054483.

It is an arithmetic number, because the mean of its divisors is an integer number (4164620575752).

Almost surely, 2^{204555305254125} is an apocalyptic number.

204555305254125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204555305254125 is a deficient number, since it is larger than the sum of its proper divisors (195248270018067).

204555305254125 is an equidigital number, since it uses as much as digits as its factorization.

204555305254125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56921816 (or 56921769 counting only the distinct ones).

The product of its (nonzero) digits is 6000000, while the sum is 48.

The spelling of 204555305254125 in words is "two hundred four trillion, five hundred fifty-five billion, three hundred five million, two hundred fifty-four thousand, one hundred twenty-five".