205160500725 has 24 divisors (see below), whose sum is σ = 350895204960. Its totient is φ = 105645865920.

The previous prime is 205160500709. The next prime is 205160500781. The reversal of 205160500725 is 527005061502.

It is not a de Polignac number, because 205160500725 - 2⁴ = 205160500709 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47161159 + ... + 47165508.

It is an arithmetic number, because the mean of its divisors is an integer number (14620633540).

Almost surely, 2^205160500725 is an apocalyptic number.

205160500725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

205160500725 is a deficient number, since it is larger than the sum of its proper divisors (145734704235).

205160500725 is a wasteful number, since it uses less digits than its factorization.

205160500725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94326709 (or 94326704 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The spelling of 205160500725 in words is "two hundred five billion, one hundred sixty million, five hundred thousand, seven hundred twenty-five".