225615344512 has 32 divisors (see below), whose sum is σ = 449640225000. Its totient is φ = 112764464640.

The previous prime is 225615344503. The next prime is 225615344533. The reversal of 225615344512 is 215443516522.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762 + ... + 671737.

Almost surely, 2^225615344512 is an apocalyptic number.

It is an amenable number.

225615344512 is a deficient number, since it is larger than the sum of its proper divisors (224024880488).

225615344512 is an equidigital number, since it uses as much as digits as its factorization.

225615344512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675134 (or 675122 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

The spelling of 225615344512 in words is "two hundred twenty-five billion, six hundred fifteen million, three hundred forty-four thousand, five hundred twelve".