25825561258108 has 6 divisors (see below), whose sum is σ = 45194732201696. Its totient is φ = 12912780629052.

The previous prime is 25825561258069. The next prime is 25825561258139. The reversal of 25825561258108 is 80185216552852.

It is a super-2 number, since 2×25825561258108² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3228195157260 + ... + 3228195157267.

Almost surely, 2^{25825561258108} is an apocalyptic number.

It is an amenable number.

25825561258108 is a deficient number, since it is larger than the sum of its proper divisors (19369170943588).

25825561258108 is a wasteful number, since it uses less digits than its factorization.

25825561258108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6456390314531 (or 6456390314529 counting only the distinct ones).

The product of its (nonzero) digits is 15360000, while the sum is 58.

The spelling of 25825561258108 in words is "twenty-five trillion, eight hundred twenty-five billion, five hundred sixty-one million, two hundred fifty-eight thousand, one hundred eight".