10265365161 has 12 divisors (see below), whose sum is σ = 15339051780. Its totient is φ = 6607591200.

The previous prime is 10265365139. The next prime is 10265365181. The reversal of 10265365161 is 16156356201.

10265365161 is a `hidden beast` number, since 10 + 2 + 6 + 536 + 51 + 61 = 666.

10265365161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8200208025 + 2065157136 = 90555^2 + 45444^2 .

It is not a de Polignac number, because 10265365161 - 2²¹ = 10263268009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10265365181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19665190 + ... + 19665711.

It is an arithmetic number, because the mean of its divisors is an integer number (1278254315).

Almost surely, 2^10265365161 is an apocalyptic number.

It is an amenable number.

10265365161 is a deficient number, since it is larger than the sum of its proper divisors (5073686619).

10265365161 is a wasteful number, since it uses less digits than its factorization.

10265365161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39330936 (or 39330933 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 10265365161 in words is "ten billion, two hundred sixty-five million, three hundred sixty-five thousand, one hundred sixty-one".