205301252455 has 32 divisors (see below), whose sum is σ = 270310662720. Its totient is φ = 148760478720.

The previous prime is 205301252447. The next prime is 205301252467. The reversal of 205301252455 is 554252103502.

It is not a de Polignac number, because 205301252455 - 2³ = 205301252447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 205301252455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2025259 + ... + 2124211.

It is an arithmetic number, because the mean of its divisors is an integer number (8447208210).

Almost surely, 2^205301252455 is an apocalyptic number.

205301252455 is a deficient number, since it is larger than the sum of its proper divisors (65009410265).

205301252455 is a wasteful number, since it uses less digits than its factorization.

205301252455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99571.

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 205301252455 its reverse (554252103502), we get a palindrome (759553355957).

The spelling of 205301252455 in words is "two hundred five billion, three hundred one million, two hundred fifty-two thousand, four hundred fifty-five".