25163051216 has 20 divisors (see below), whose sum is σ = 48810194400. Its totient is φ = 12566872032.

The previous prime is 25163051201. The next prime is 25163051227. The reversal of 25163051216 is 61215036152.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 901676 + ... + 929163.

It is an arithmetic number, because the mean of its divisors is an integer number (2440509720).

Almost surely, 2^25163051216 is an apocalyptic number.

It is an amenable number.

25163051216 is a deficient number, since it is larger than the sum of its proper divisors (23647143184).

25163051216 is a wasteful number, since it uses less digits than its factorization.

25163051216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831706 (or 1831700 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 25163051216 its reverse (61215036152), we get a palindrome (86378087368).

The spelling of 25163051216 in words is "twenty-five billion, one hundred sixty-three million, fifty-one thousand, two hundred sixteen".