225431965563 has 16 divisors (see below), whose sum is σ = 344421761280. Its totient is φ = 128478371616.

The previous prime is 225431965531. The next prime is 225431965609. The reversal of 225431965563 is 365569134522.

It is not a de Polignac number, because 225431965563 - 2⁵ = 225431965531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225431965513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14154120 + ... + 14170037.

It is an arithmetic number, because the mean of its divisors is an integer number (21526360080).

Almost surely, 2^225431965563 is an apocalyptic number.

225431965563 is a deficient number, since it is larger than the sum of its proper divisors (118989795717).

225431965563 is a wasteful number, since it uses less digits than its factorization.

225431965563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28324546.

The product of its digits is 5832000, while the sum is 51.

The spelling of 225431965563 in words is "two hundred twenty-five billion, four hundred thirty-one million, nine hundred sixty-five thousand, five hundred sixty-three".