25041254136 has 64 divisors (see below), whose sum is σ = 67505356800. Its totient is φ = 7714886400.

The previous prime is 25041254113. The next prime is 25041254197. The reversal of 25041254136 is 63145214052.

It is a junction number, because it is equal to n+sod(n) for n = 25041254097 and 25041254106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 651000 + ... + 688391.

It is an arithmetic number, because the mean of its divisors is an integer number (1054771200).

Almost surely, 2^25041254136 is an apocalyptic number.

It is an amenable number.

25041254136 is an abundant number, since it is smaller than the sum of its proper divisors (42464102664).

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

25041254136 is a wasteful number, since it uses less digits than its factorization.

25041254136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339460 (or 1339456 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 25041254136 its reverse (63145214052), we get a palindrome (88186468188).

The spelling of 25041254136 in words is "twenty-five billion, forty-one million, two hundred fifty-four thousand, one hundred thirty-six".