225321256055 has 16 divisors (see below), whose sum is σ = 311085921600. Its totient is φ = 153469047552.

The previous prime is 225321256021. The next prime is 225321256067. The reversal of 225321256055 is 550652123522.

225321256055 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 225321256055 - 2⁸ = 225321255799 is a prime.

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, 21597974 + ... + 21608403.

It is an arithmetic number, because the mean of its divisors is an integer number (19442870100).

Almost surely, 2^225321256055 is an apocalyptic number.

225321256055 is a deficient number, since it is larger than the sum of its proper divisors (85764665545).

225321256055 is a wasteful number, since it uses less digits than its factorization.

225321256055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43206538.

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 225321256055 its reverse (550652123522), we get a palindrome (775973379577).

The spelling of 225321256055 in words is "two hundred twenty-five billion, three hundred twenty-one million, two hundred fifty-six thousand, fifty-five".