225061716517 has 8 divisors (see below), whose sum is σ = 259964335872. Its totient is φ = 192566174400.

The previous prime is 225061716463. The next prime is 225061716533. The reversal of 225061716517 is 715617160522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225061716517 is a prime.

It is a super-2 number, since 2×225061716517² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225061716317) by changing a digit.

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, 601769109 + ... + 601769482.

It is an arithmetic number, because the mean of its divisors is an integer number (32495541984).

Almost surely, 2^225061716517 is an apocalyptic number.

It is an amenable number.

225061716517 is a deficient number, since it is larger than the sum of its proper divisors (34902619355).

225061716517 is a wasteful number, since it uses less digits than its factorization.

225061716517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203538619.

The product of its (nonzero) digits is 176400, while the sum is 43.

The spelling of 225061716517 in words is "two hundred twenty-five billion, sixty-one million, seven hundred sixteen thousand, five hundred seventeen".