205054535310041 has 8 divisors (see below), whose sum is σ = 208416495387144. Its totient is φ = 201692588469120.

The previous prime is 205054535310029. The next prime is 205054535310071. The reversal of 205054535310041 is 140013535450502.

It can be written as a sum of positive squares in 4 ways, for example, as 109210024129600 + 95844511180441 = 10450360^2 + 9790021^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205054535310041 - 2²² = 205054531115737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 205054535309977 and 205054535310004.

It is not an unprimeable number, because it can be changed into a prime (205054535310071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30785171 + ... + 36848823.

It is an arithmetic number, because the mean of its divisors is an integer number (26052061923393).

Almost surely, 2^{205054535310041} is an apocalyptic number.

It is an amenable number.

205054535310041 is a deficient number, since it is larger than the sum of its proper divisors (3361960077103).

205054535310041 is an equidigital number, since it uses as much as digits as its factorization.

205054535310041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6618091.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 205054535310041 in words is "two hundred five trillion, fifty-four billion, five hundred thirty-five million, three hundred ten thousand, forty-one".