25825001116 has 24 divisors (see below), whose sum is σ = 47169564624. Its totient is φ = 12359867520.

The previous prime is 25825001101. The next prime is 25825001119. The reversal of 25825001116 is 61110052852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25825001119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1476870 + ... + 1494253.

It is an arithmetic number, because the mean of its divisors is an integer number (1965398526).

Almost surely, 2^25825001116 is an apocalyptic number.

It is an amenable number.

25825001116 is a deficient number, since it is larger than the sum of its proper divisors (21344563508).

25825001116 is a wasteful number, since it uses less digits than its factorization.

25825001116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971221 (or 2971219 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 31.

Adding to 25825001116 its reverse (61110052852), we get a palindrome (86935053968).

The spelling of 25825001116 in words is "twenty-five billion, eight hundred twenty-five million, one thousand, one hundred sixteen".