225552255523 has 8 divisors (see below), whose sum is σ = 259504034400. Its totient is φ = 192032983680.

The previous prime is 225552255521. The next prime is 225552255553. The reversal of 225552255523 is 325552255522.

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 225552255523 - 2¹ = 225552255521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225552255523.

It is not an unprimeable number, because it can be changed into a prime (225552255521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108125638 + ... + 108127723.

It is an arithmetic number, because the mean of its divisors is an integer number (32438004300).

Almost surely, 2^225552255523 is an apocalyptic number.

225552255523 is a deficient number, since it is larger than the sum of its proper divisors (33951778877).

225552255523 is a wasteful number, since it uses less digits than its factorization.

225552255523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216253517.

The product of its digits is 1500000, while the sum is 43.

Subtracting 225552255523 from its reverse (325552255522), we obtain a palindrome (99999999999).

The spelling of 225552255523 in words is "two hundred twenty-five billion, five hundred fifty-two million, two hundred fifty-five thousand, five hundred twenty-three".