25635112030 has 48 divisors (see below), whose sum is σ = 50822226000. Its totient is φ = 9302958720.

The previous prime is 25635112003. The next prime is 25635112033. The reversal of 25635112030 is 3021153652.

It is a self number, because there is not a number n which added to its sum of digits gives 25635112030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25635112033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 582562 + ... + 625018.

It is an arithmetic number, because the mean of its divisors is an integer number (1058796375).

Almost surely, 2^25635112030 is an apocalyptic number.

25635112030 is a deficient number, since it is larger than the sum of its proper divisors (25187113970).

25635112030 is a wasteful number, since it uses less digits than its factorization.

25635112030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42985 (or 42974 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 25635112030 its reverse (3021153652), we get a palindrome (28656265682).

The spelling of 25635112030 in words is "twenty-five billion, six hundred thirty-five million, one hundred twelve thousand, thirty".