225896553659 has 4 divisors (see below), whose sum is σ = 258167489904. Its totient is φ = 193625617416.

The previous prime is 225896553637. The next prime is 225896553679. The reversal of 225896553659 is 956355698522.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 225896553659 - 2²⁸ = 225628118203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225896553595 and 225896553604.

It is not an unprimeable number, because it can be changed into a prime (225896553679) 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 3 ways as a sum of consecutive naturals, for example, 16135468112 + ... + 16135468125.

It is an arithmetic number, because the mean of its divisors is an integer number (64541872476).

Almost surely, 2^225896553659 is an apocalyptic number.

225896553659 is a deficient number, since it is larger than the sum of its proper divisors (32270936245).

225896553659 is an equidigital number, since it uses as much as digits as its factorization.

225896553659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32270936244.

The product of its digits is 174960000, while the sum is 65.

The spelling of 225896553659 in words is "two hundred twenty-five billion, eight hundred ninety-six million, five hundred fifty-three thousand, six hundred fifty-nine".