205050013453105 has 16 divisors (see below), whose sum is σ = 250411292001360. Its totient is φ = 161163848282112.

The previous prime is 205050013453013. The next prime is 205050013453169. The reversal of 205050013453105 is 501354310050502.

It can be written as a sum of positive squares in 8 ways, for example, as 6056304433936 + 198993709019169 = 2460956^2 + 14106513^2 .

It is a cyclic number.

It is not a de Polignac number, because 205050013453105 - 2²⁹ = 205049476582193 is a prime.

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, 1542939150 + ... + 1543072039.

It is an arithmetic number, because the mean of its divisors is an integer number (15650705750085).

Almost surely, 2^{205050013453105} is an apocalyptic number.

It is an amenable number.

205050013453105 is a deficient number, since it is larger than the sum of its proper divisors (45361278548255).

205050013453105 is a wasteful number, since it uses less digits than its factorization.

205050013453105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3086011428.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 205050013453105 in words is "two hundred five trillion, fifty billion, thirteen million, four hundred fifty-three thousand, one hundred five".