225011605117 has 8 divisors (see below), whose sum is σ = 242459399000. Its totient is φ = 207583698240.

The previous prime is 225011605111. The next prime is 225011605183. The reversal of 225011605117 is 711506110522.

It can be written as a sum of positive squares in 4 ways, for example, as 55316217636 + 169695387481 = 235194^2 + 411941^2 .

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 225011605117 - 2¹⁵ = 225011572349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225011605111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4948242 + ... + 4993507.

It is an arithmetic number, because the mean of its divisors is an integer number (30307424875).

Almost surely, 2^225011605117 is an apocalyptic number.

It is an amenable number.

225011605117 is a deficient number, since it is larger than the sum of its proper divisors (17447793883).

225011605117 is a wasteful number, since it uses less digits than its factorization.

225011605117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9943503.

The product of its (nonzero) digits is 4200, while the sum is 31.

Adding to 225011605117 its reverse (711506110522), we get a palindrome (936517715639).

The spelling of 225011605117 in words is "two hundred twenty-five billion, eleven million, six hundred five thousand, one hundred seventeen".