225120451205 has 32 divisors (see below), whose sum is σ = 292165138944. Its totient is φ = 165535070976.

The previous prime is 225120451187. The next prime is 225120451217. The reversal of 225120451205 is 502154021522.

It is a happy number.

225120451205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 225120451205 - 2³² = 220825483909 is a prime.

It is a Duffinian number.

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 31 ways as a sum of consecutive naturals, for example, 26030192 + ... + 26038838.

It is an arithmetic number, because the mean of its divisors is an integer number (9130160592).

Almost surely, 2^225120451205 is an apocalyptic number.

It is an amenable number.

225120451205 is a deficient number, since it is larger than the sum of its proper divisors (67044687739).

225120451205 is a wasteful number, since it uses less digits than its factorization.

225120451205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10325.

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 225120451205 its reverse (502154021522), we get a palindrome (727274472727).

The spelling of 225120451205 in words is "two hundred twenty-five billion, one hundred twenty million, four hundred fifty-one thousand, two hundred five".