225504001515 has 64 divisors (see below), whose sum is σ = 414884219904. Its totient is φ = 103720877568.

The previous prime is 225504001453. The next prime is 225504001517. The reversal of 225504001515 is 515100405522.

It is a de Polignac number, because none of the positive numbers 2^k-225504001515 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225504001517) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 391792 + ... + 777501.

It is an arithmetic number, because the mean of its divisors is an integer number (6482565936).

Almost surely, 2^225504001515 is an apocalyptic number.

225504001515 is a deficient number, since it is larger than the sum of its proper divisors (189380218389).

225504001515 is a wasteful number, since it uses less digits than its factorization.

225504001515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169380.

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 225504001515 in words is "two hundred twenty-five billion, five hundred four million, one thousand, five hundred fifteen".