225055540215 has 96 divisors (see below), whose sum is σ = 431302060800. Its totient is φ = 107650920960.

The previous prime is 225055540207. The next prime is 225055540231. The reversal of 225055540215 is 512045550522.

225055540215 is a `hidden beast` number, since 2 + 2 + 50 + 55 + 540 + 2 + 15 = 666.

It is not a de Polignac number, because 225055540215 - 2³ = 225055540207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225055540215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20568216 + ... + 20579154.

It is an arithmetic number, because the mean of its divisors is an integer number (4492729800).

Almost surely, 2^225055540215 is an apocalyptic number.

225055540215 is a deficient number, since it is larger than the sum of its proper divisors (206246520585).

225055540215 is a wasteful number, since it uses less digits than its factorization.

225055540215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11517 (or 11514 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

The spelling of 225055540215 in words is "two hundred twenty-five billion, fifty-five million, five hundred forty thousand, two hundred fifteen".