265243316105404 has 96 divisors (see below), whose sum is σ = 574290841421696. Its totient is φ = 104380923248640.

The previous prime is 265243316105249. The next prime is 265243316105413. The reversal of 265243316105404 is 404501613342562.

265243316105404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1153212094 + ... + 1153442074.

Almost surely, 2^{265243316105404} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265243316105404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287145420710848).

265243316105404 is an abundant number, since it is smaller than the sum of its proper divisors (309047525316292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265243316105404 is a wasteful number, since it uses less digits than its factorization.

265243316105404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246615 (or 246613 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 46.

Adding to 265243316105404 its reverse (404501613342562), we get a palindrome (669744929447966).

The spelling of 265243316105404 in words is "two hundred sixty-five trillion, two hundred forty-three billion, three hundred sixteen million, one hundred five thousand, four hundred four".