225132552506 has 32 divisors (see below), whose sum is σ = 346716720000. Its totient is φ = 109573067520.

The previous prime is 225132552487. The next prime is 225132552581. The reversal of 225132552506 is 605255231522.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 225132552506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112960646 + ... + 112962638.

It is an arithmetic number, because the mean of its divisors is an integer number (10834897500).

Almost surely, 2^225132552506 is an apocalyptic number.

225132552506 is a deficient number, since it is larger than the sum of its proper divisors (121584167494).

225132552506 is a wasteful number, since it uses less digits than its factorization.

225132552506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4454.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 225132552506 in words is "two hundred twenty-five billion, one hundred thirty-two million, five hundred fifty-two thousand, five hundred six".