225517075503 has 8 divisors (see below), whose sum is σ = 307087081728. Its totient is φ = 147145893144.

The previous prime is 225517075481. The next prime is 225517075513. The reversal of 225517075503 is 305570715522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225517075503 - 2⁵ = 225517075471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225517075513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799705801 + ... + 799706082.

It is an arithmetic number, because the mean of its divisors is an integer number (38385885216).

Almost surely, 2^225517075503 is an apocalyptic number.

225517075503 is a deficient number, since it is larger than the sum of its proper divisors (81570006225).

225517075503 is a wasteful number, since it uses less digits than its factorization.

225517075503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599411933.

The product of its (nonzero) digits is 367500, while the sum is 42.

The spelling of 225517075503 in words is "two hundred twenty-five billion, five hundred seventeen million, seventy-five thousand, five hundred three".