265561605341 has 8 divisors (see below), whose sum is σ = 271824996960. Its totient is φ = 259302192912.

The previous prime is 265561605311. The next prime is 265561605349. The reversal of 265561605341 is 143506165562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265561605341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 265561605292 and 265561605301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265561605349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859535 + ... + 1126908.

It is an arithmetic number, because the mean of its divisors is an integer number (33978124620).

Almost surely, 2^265561605341 is an apocalyptic number.

It is an amenable number.

265561605341 is a deficient number, since it is larger than the sum of its proper divisors (6263391619).

265561605341 is a wasteful number, since it uses less digits than its factorization.

265561605341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989595.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 265561605341 in words is "two hundred sixty-five billion, five hundred sixty-one million, six hundred five thousand, three hundred forty-one".