216100415225 has 24 divisors (see below), whose sum is σ = 278829475200. Its totient is φ = 166009488320.

The previous prime is 216100415191. The next prime is 216100415249. The reversal of 216100415225 is 522514001612.

216100415225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 216100415225 - 2²⁰ = 216099366649 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1672775 + ... + 1797324.

It is an arithmetic number, because the mean of its divisors is an integer number (11617894800).

Almost surely, 2^216100415225 is an apocalyptic number.

216100415225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

216100415225 is a deficient number, since it is larger than the sum of its proper divisors (62729059975).

216100415225 is a wasteful number, since it uses less digits than its factorization.

216100415225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470209 (or 3470204 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 216100415225 its reverse (522514001612), we get a palindrome (738614416837).

The spelling of 216100415225 in words is "two hundred sixteen billion, one hundred million, four hundred fifteen thousand, two hundred twenty-five".