25616512230116 has 12 divisors (see below), whose sum is σ = 44829443331120. Its totient is φ = 12808099849800.

The previous prime is 25616512230109. The next prime is 25616512230131. The reversal of 25616512230116 is 61103221561652.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38697086 + ... + 39353493.

It is an arithmetic number, because the mean of its divisors is an integer number (3735786944260).

Almost surely, 2^{25616512230116} is an apocalyptic number.

It is an amenable number.

25616512230116 is a deficient number, since it is larger than the sum of its proper divisors (19212931101004).

25616512230116 is a wasteful number, since it uses less digits than its factorization.

25616512230116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78132634 (or 78132632 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

Adding to 25616512230116 its reverse (61103221561652), we get a palindrome (86719733791768).

The spelling of 25616512230116 in words is "twenty-five trillion, six hundred sixteen billion, five hundred twelve million, two hundred thirty thousand, one hundred sixteen".