205235053655055 has 16 divisors (see below), whose sum is σ = 330467653277664. Its totient is φ = 108761506139520.

The previous prime is 205235053655029. The next prime is 205235053655111. The reversal of 205235053655055 is 550556350532502.

It is not a de Polignac number, because 205235053655055 - 2²⁴ = 205235036877839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205235053654989 and 205235053655007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43574319016 + ... + 43574323725.

It is an arithmetic number, because the mean of its divisors is an integer number (20654228329854).

Almost surely, 2^{205235053655055} is an apocalyptic number.

205235053655055 is a deficient number, since it is larger than the sum of its proper divisors (125232599622609).

205235053655055 is a wasteful number, since it uses less digits than its factorization.

205235053655055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87148642906.

The product of its (nonzero) digits is 16875000, while the sum is 51.

The spelling of 205235053655055 in words is "two hundred five trillion, two hundred thirty-five billion, fifty-three million, six hundred fifty-five thousand, fifty-five".