25163132122 has 8 divisors (see below), whose sum is σ = 38118408372. Its totient is φ = 12456996000.

The previous prime is 25163132041. The next prime is 25163132123. The reversal of 25163132122 is 22123136152.

25163132122 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 23402574441 + 1760557681 = 152979^2 + 41959^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (25163132123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62284779 + ... + 62285182.

Almost surely, 2^25163132122 is an apocalyptic number.

25163132122 is a deficient number, since it is larger than the sum of its proper divisors (12955276250).

25163132122 is a wasteful number, since it uses less digits than its factorization.

25163132122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124570064.

The product of its digits is 4320, while the sum is 28.

Adding to 25163132122 its reverse (22123136152), we get a palindrome (47286268274).

The spelling of 25163132122 in words is "twenty-five billion, one hundred sixty-three million, one hundred thirty-two thousand, one hundred twenty-two".