225465763655 has 16 divisors (see below), whose sum is σ = 295251264000. Its totient is φ = 163921721760.

The previous prime is 225465763651. The next prime is 225465763673. The reversal of 225465763655 is 556367564522.

It is not a de Polignac number, because 225465763655 - 2² = 225465763651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225465763655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225465763651) 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, 496355 + ... + 835044.

It is an arithmetic number, because the mean of its divisors is an integer number (18453204000).

Almost surely, 2^225465763655 is an apocalyptic number.

225465763655 is a deficient number, since it is larger than the sum of its proper divisors (69785500345).

225465763655 is a wasteful number, since it uses less digits than its factorization.

225465763655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334494.

The product of its digits is 45360000, while the sum is 56.

The spelling of 225465763655 in words is "two hundred twenty-five billion, four hundred sixty-five million, seven hundred sixty-three thousand, six hundred fifty-five".