225126717605 has 8 divisors (see below), whose sum is σ = 272676847392. Its totient is φ = 178418183248.

The previous prime is 225126717593. The next prime is 225126717637. The reversal of 225126717605 is 506717621522.

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

It is a cyclic number.

It is not a de Polignac number, because 225126717605 - 2⁴ = 225126717589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210398267 + ... + 210399336.

It is an arithmetic number, because the mean of its divisors is an integer number (34084605924).

Almost surely, 2^225126717605 is an apocalyptic number.

It is an amenable number.

225126717605 is a deficient number, since it is larger than the sum of its proper divisors (47550129787).

225126717605 is a wasteful number, since it uses less digits than its factorization.

225126717605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420797715.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 225126717605 in words is "two hundred twenty-five billion, one hundred twenty-six million, seven hundred seventeen thousand, six hundred five".