565655136241 has 8 divisors (see below), whose sum is σ = 609453227880. Its totient is φ = 521897924352.

The previous prime is 565655136239. The next prime is 565655136257. The reversal of 565655136241 is 142631556565.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9282359025 + 556372777216 = 96345^2 + 745904^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 565655136241 - 2¹ = 565655136239 is a prime.

It is a super-2 number, since 2×565655136241² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (565655236241) 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, 10191190 + ... + 10246543.

It is an arithmetic number, because the mean of its divisors is an integer number (76181653485).

Almost surely, 2^565655136241 is an apocalyptic number.

It is an amenable number.

565655136241 is a deficient number, since it is larger than the sum of its proper divisors (43798091639).

565655136241 is a wasteful number, since it uses less digits than its factorization.

565655136241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20439875.

The product of its digits is 3240000, while the sum is 49.

The spelling of 565655136241 in words is "five hundred sixty-five billion, six hundred fifty-five million, one hundred thirty-six thousand, two hundred forty-one".