25308116012 has 12 divisors (see below), whose sum is σ = 44293546920. Its totient is φ = 12652816896.

The previous prime is 25308116011. The next prime is 25308116027. The reversal of 25308116012 is 21061180352.

It is not an unprimeable number, because it can be changed into a prime (25308116011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263618 + ... + 346569.

It is an arithmetic number, because the mean of its divisors is an integer number (3691128910).

Almost surely, 2^25308116012 is an apocalyptic number.

It is an amenable number.

25308116012 is a deficient number, since it is larger than the sum of its proper divisors (18985430908).

25308116012 is a wasteful number, since it uses less digits than its factorization.

25308116012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620560 (or 620558 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 25308116012 its reverse (21061180352), we get a palindrome (46369296364).

The spelling of 25308116012 in words is "twenty-five billion, three hundred eight million, one hundred sixteen thousand, twelve".