205034105544401 has 16 divisors (see below), whose sum is σ = 234440337868800. Its totient is φ = 175656787563600.

The previous prime is 205034105544379. The next prime is 205034105544467. The reversal of 205034105544401 is 104445501430502.

It is not a de Polignac number, because 205034105544401 - 2⁴² = 200636059033297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205034105544601) 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, 1505244440 + ... + 1505380646.

It is an arithmetic number, because the mean of its divisors is an integer number (14652521116800).

Almost surely, 2^{205034105544401} is an apocalyptic number.

It is an amenable number.

205034105544401 is a deficient number, since it is larger than the sum of its proper divisors (29406232324399).

205034105544401 is a wasteful number, since it uses less digits than its factorization.

205034105544401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240764.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 205034105544401 its reverse (104445501430502), we get a palindrome (309479606974903).

The spelling of 205034105544401 in words is "two hundred five trillion, thirty-four billion, one hundred five million, five hundred forty-four thousand, four hundred one".