25506116230 has 64 divisors (see below), whose sum is σ = 55469007360. Its totient is φ = 8249036544.

The previous prime is 25506116203. The next prime is 25506116297. The reversal of 25506116230 is 3261160552.

It is a junction number, because it is equal to n+sod(n) for n = 25506116192 and 25506116201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 268737 + ... + 351043.

It is an arithmetic number, because the mean of its divisors is an integer number (866703240).

Almost surely, 2^25506116230 is an apocalyptic number.

25506116230 is an abundant number, since it is smaller than the sum of its proper divisors (29962891130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25506116230 is a wasteful number, since it uses less digits than its factorization.

25506116230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82573.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 25506116230 its reverse (3261160552), we get a palindrome (28767276782).

The spelling of 25506116230 in words is "twenty-five billion, five hundred six million, one hundred sixteen thousand, two hundred thirty".