204140513125 has 20 divisors (see below), whose sum is σ = 255334791712. Its totient is φ = 163158246000.

The previous prime is 204140513117. The next prime is 204140513149. The reversal of 204140513125 is 521315041402.

It is not a de Polignac number, because 204140513125 - 2³ = 204140513117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204140513093 and 204140513102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 510742 + ... + 818008.

Almost surely, 2^204140513125 is an apocalyptic number.

204140513125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204140513125 is a deficient number, since it is larger than the sum of its proper divisors (51194278587).

204140513125 is an equidigital number, since it uses as much as digits as its factorization.

204140513125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308350 (or 308335 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 204140513125 its reverse (521315041402), we get a palindrome (725455554527).

The spelling of 204140513125 in words is "two hundred four billion, one hundred forty million, five hundred thirteen thousand, one hundred twenty-five".