205516027005 has 32 divisors (see below), whose sum is σ = 343199047680. Its totient is φ = 104819542080.

The previous prime is 205516026997. The next prime is 205516027009. The reversal of 205516027005 is 500720615502.

It is not a de Polignac number, because 205516027005 - 2³ = 205516026997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205516027009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1536250 + ... + 1664660.

It is an arithmetic number, because the mean of its divisors is an integer number (10724970240).

Almost surely, 2^205516027005 is an apocalyptic number.

It is an amenable number.

205516027005 is a deficient number, since it is larger than the sum of its proper divisors (137683020675).

205516027005 is a wasteful number, since it uses less digits than its factorization.

205516027005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133081.

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

The spelling of 205516027005 in words is "two hundred five billion, five hundred sixteen million, twenty-seven thousand, five".