25115340532 has 12 divisors (see below), whose sum is σ = 46265101120. Its totient is φ = 11896740216.

The previous prime is 25115340529. The next prime is 25115340533. The reversal of 25115340532 is 23504351152.

It is a junction number, because it is equal to n+sod(n) for n = 25115340494 and 25115340503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25115340533) 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, 165232428 + ... + 165232579.

Almost surely, 2^25115340532 is an apocalyptic number.

It is an amenable number.

25115340532 is a deficient number, since it is larger than the sum of its proper divisors (21149760588).

25115340532 is a wasteful number, since it uses less digits than its factorization.

25115340532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330465030 (or 330465028 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 25115340532 its reverse (23504351152), we get a palindrome (48619691684).

The spelling of 25115340532 in words is "twenty-five billion, one hundred fifteen million, three hundred forty thousand, five hundred thirty-two".