204510113441 has 4 divisors (see below), whose sum is σ = 216540120132. Its totient is φ = 192480106752.

The previous prime is 204510113429. The next prime is 204510113537. The reversal of 204510113441 is 144311015402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 145558273441 + 58951840000 = 381521^2 + 242800^2 .

It is a cyclic number.

It is not a de Polignac number, because 204510113441 - 2⁶ = 204510113377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204510113441.

It is not an unprimeable number, because it can be changed into a prime (204510113641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6015003320 + ... + 6015003353.

It is an arithmetic number, because the mean of its divisors is an integer number (54135030033).

Almost surely, 2^204510113441 is an apocalyptic number.

It is an amenable number.

204510113441 is a deficient number, since it is larger than the sum of its proper divisors (12030006691).

204510113441 is a wasteful number, since it uses less digits than its factorization.

204510113441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12030006690.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 204510113441 its reverse (144311015402), we get a palindrome (348821128843).

The spelling of 204510113441 in words is "two hundred four billion, five hundred ten million, one hundred thirteen thousand, four hundred forty-one".