26065441165 has 16 divisors (see below), whose sum is σ = 33199461360. Its totient is φ = 19577733120.

The previous prime is 26065441163. The next prime is 26065441169. The reversal of 26065441165 is 56114456062.

It can be written as a sum of positive squares in 8 ways, for example, as 400760361 + 25664680804 = 20019^2 + 160202^2 .

It is not a de Polignac number, because 26065441165 - 2¹ = 26065441163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26065441163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340116 + ... + 409645.

It is an arithmetic number, because the mean of its divisors is an integer number (2074966335).

Almost surely, 2^26065441165 is an apocalyptic number.

It is an amenable number.

26065441165 is a deficient number, since it is larger than the sum of its proper divisors (7134020195).

26065441165 is a wasteful number, since it uses less digits than its factorization.

26065441165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750192.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 26065441165 in words is "twenty-six billion, sixty-five million, four hundred forty-one thousand, one hundred sixty-five".