205089325055 has 4 divisors (see below), whose sum is σ = 246107190072. Its totient is φ = 164071460040.

The previous prime is 205089325043. The next prime is 205089325087. The reversal of 205089325055 is 550523980502.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 205089325055 - 2⁶ = 205089324991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 205089324997 and 205089325015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20508932501 + ... + 20508932510.

It is an arithmetic number, because the mean of its divisors is an integer number (61526797518).

Almost surely, 2^205089325055 is an apocalyptic number.

205089325055 is a deficient number, since it is larger than the sum of its proper divisors (41017865017).

205089325055 is an equidigital number, since it uses as much as digits as its factorization.

205089325055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41017865016.

The product of its (nonzero) digits is 540000, while the sum is 44.

The spelling of 205089325055 in words is "two hundred five billion, eighty-nine million, three hundred twenty-five thousand, fifty-five".