225061131165 has 16 divisors (see below), whose sum is σ = 387797641728. Its totient is φ = 110799326016.

The previous prime is 225061131151. The next prime is 225061131181. The reversal of 225061131165 is 561131160522.

225061131165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225061131165 - 2⁸ = 225061130909 is a prime.

It is a super-2 number, since 2×225061131165² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577079629 + ... + 577080018.

It is an arithmetic number, because the mean of its divisors is an integer number (24237352608).

Almost surely, 2^225061131165 is an apocalyptic number.

It is an amenable number.

225061131165 is a deficient number, since it is larger than the sum of its proper divisors (162736510563).

225061131165 is a wasteful number, since it uses less digits than its factorization.

225061131165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154159668.

The product of its (nonzero) digits is 10800, while the sum is 33.

Adding to 225061131165 its reverse (561131160522), we get a palindrome (786192291687).

The spelling of 225061131165 in words is "two hundred twenty-five billion, sixty-one million, one hundred thirty-one thousand, one hundred sixty-five".