205048609375 has 14 divisors (see below), whose sum is σ = 256307500472. Its totient is φ = 164038875000.

The previous prime is 205048609369. The next prime is 205048609391. The reversal of 205048609375 is 573906840502.

It is not a de Polignac number, because 205048609375 - 2⁷ = 205048609247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 6545931 + ... + 6577180.

Almost surely, 2^205048609375 is an apocalyptic number.

205048609375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

205048609375 is a deficient number, since it is larger than the sum of its proper divisors (51258891097).

205048609375 is an frugal number, since it uses more digits than its factorization.

205048609375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13123141 (or 13123116 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 205048609375 in words is "two hundred five billion, forty-eight million, six hundred nine thousand, three hundred seventy-five".