204125361356 has 96 divisors (see below), whose sum is σ = 436419809280. Its totient is φ = 81653241600.

The previous prime is 204125361347. The next prime is 204125361379. The reversal of 204125361356 is 653163521402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26703671 + ... + 26711313.

It is an arithmetic number, because the mean of its divisors is an integer number (4546039680).

Almost surely, 2^204125361356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204125361356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218209904640).

204125361356 is an abundant number, since it is smaller than the sum of its proper divisors (232294447924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204125361356 is a wasteful number, since it uses less digits than its factorization.

204125361356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8775 (or 8773 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 204125361356 its reverse (653163521402), we get a palindrome (857288882758).

The spelling of 204125361356 in words is "two hundred four billion, one hundred twenty-five million, three hundred sixty-one thousand, three hundred fifty-six".