205100534441 has 16 divisors (see below), whose sum is σ = 225653117760. Its totient is φ = 184869108480.

The previous prime is 205100534437. The next prime is 205100534459. The reversal of 205100534441 is 144435001502.

It is a cyclic number.

It is not a de Polignac number, because 205100534441 - 2² = 205100534437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (205100534741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1164005 + ... + 1328573.

It is an arithmetic number, because the mean of its divisors is an integer number (14103319860).

Almost surely, 2^205100534441 is an apocalyptic number.

It is an amenable number.

205100534441 is a deficient number, since it is larger than the sum of its proper divisors (20552583319).

205100534441 is a wasteful number, since it uses less digits than its factorization.

205100534441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165544.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 205100534441 its reverse (144435001502), we get a palindrome (349535535943).

The spelling of 205100534441 in words is "two hundred five billion, one hundred million, five hundred thirty-four thousand, four hundred forty-one".