216250254525 has 24 divisors (see below), whose sum is σ = 358797159520. Its totient is φ = 114925919040.

The previous prime is 216250254487. The next prime is 216250254527. The reversal of 216250254525 is 525452052612.

It is not a de Polignac number, because 216250254525 - 2⁹ = 216250254013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216250254527) 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 23 ways as a sum of consecutive naturals, for example, 5073010 + ... + 5115459.

Almost surely, 2^216250254525 is an apocalyptic number.

216250254525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

216250254525 is a deficient number, since it is larger than the sum of its proper divisors (142546904995).

216250254525 is a wasteful number, since it uses less digits than its factorization.

216250254525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10188765 (or 10188760 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 216250254525 in words is "two hundred sixteen billion, two hundred fifty million, two hundred fifty-four thousand, five hundred twenty-five".