225177035061165 has 64 divisors (see below), whose sum is σ = 397050748473600. Its totient is φ = 108062284032000.

The previous prime is 225177035061163. The next prime is 225177035061193. The reversal of 225177035061165 is 561160530771522.

It is not a de Polignac number, because 225177035061165 - 2¹ = 225177035061163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225177035061163) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51719001 + ... + 55903569.

It is an arithmetic number, because the mean of its divisors is an integer number (6203917944900).

Almost surely, 2^{225177035061165} is an apocalyptic number.

It is an amenable number.

225177035061165 is a deficient number, since it is larger than the sum of its proper divisors (171873713412435).

225177035061165 is a wasteful number, since it uses less digits than its factorization.

225177035061165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187918.

The product of its (nonzero) digits is 2646000, while the sum is 51.

The spelling of 225177035061165 in words is "two hundred twenty-five trillion, one hundred seventy-seven billion, thirty-five million, sixty-one thousand, one hundred sixty-five".