205532350125 has 32 divisors (see below), whose sum is σ = 346126435200. Its totient is φ = 108296547200.

The previous prime is 205532350087. The next prime is 205532350157. The reversal of 205532350125 is 521053235502.

It is not a de Polignac number, because 205532350125 - 2⁶ = 205532350061 is a prime.

It is a congruent number.

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, 3270600 + ... + 3332849.

It is an arithmetic number, because the mean of its divisors is an integer number (10816451100).

Almost surely, 2^205532350125 is an apocalyptic number.

205532350125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

205532350125 is a deficient number, since it is larger than the sum of its proper divisors (140594085075).

205532350125 is an equidigital number, since it uses as much as digits as its factorization.

205532350125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6603550 (or 6603540 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 33.

Adding to 205532350125 its reverse (521053235502), we get a palindrome (726585585627).

The spelling of 205532350125 in words is "two hundred five billion, five hundred thirty-two million, three hundred fifty thousand, one hundred twenty-five".