25671618248 has 16 divisors (see below), whose sum is σ = 48812232960. Its totient is φ = 12655022800.

The previous prime is 25671618241. The next prime is 25671618347. The reversal of 25671618248 is 84281617652.

It is a junction number, because it is equal to n+sod(n) for n = 25671618196 and 25671618205.

It is not an unprimeable number, because it can be changed into a prime (25671618241) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 22597688 + ... + 22598823.

It is an arithmetic number, because the mean of its divisors is an integer number (3050764560).

Almost surely, 2^25671618248 is an apocalyptic number.

It is an amenable number.

25671618248 is a deficient number, since it is larger than the sum of its proper divisors (23140614712).

25671618248 is a wasteful number, since it uses less digits than its factorization.

25671618248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45196588 (or 45196584 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 50.

The spelling of 25671618248 in words is "twenty-five billion, six hundred seventy-one million, six hundred eighteen thousand, two hundred forty-eight".