205432435540255 has 96 divisors (see below), whose sum is σ = 324045031464000. Its totient is φ = 123485030645760.

The previous prime is 205432435540231. The next prime is 205432435540271. The reversal of 205432435540255 is 552045534234502.

It is a happy number.

It is not a de Polignac number, because 205432435540255 - 2⁵ = 205432435540223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 205432435540199 and 205432435540208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 58392141 + ... + 61810249.

It is an arithmetic number, because the mean of its divisors is an integer number (3375469077750).

Almost surely, 2^{205432435540255} is an apocalyptic number.

205432435540255 is a deficient number, since it is larger than the sum of its proper divisors (118612595923745).

205432435540255 is a wasteful number, since it uses less digits than its factorization.

205432435540255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3418937 (or 3418930 counting only the distinct ones).

The product of its (nonzero) digits is 14400000, while the sum is 49.

Adding to 205432435540255 its reverse (552045534234502), we get a palindrome (757477969774757).

The spelling of 205432435540255 in words is "two hundred five trillion, four hundred thirty-two billion, four hundred thirty-five million, five hundred forty thousand, two hundred fifty-five".