25811026081108 has 12 divisors (see below), whose sum is σ = 45206228844000. Its totient is φ = 12894960697112.

The previous prime is 25811026081079. The next prime is 25811026081111. The reversal of 25811026081108 is 80118062011852.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2638080358 + ... + 2638090141.

It is an arithmetic number, because the mean of its divisors is an integer number (3767185737000).

Almost surely, 2^{25811026081108} is an apocalyptic number.

It is an amenable number.

25811026081108 is a deficient number, since it is larger than the sum of its proper divisors (19395202762892).

25811026081108 is a wasteful number, since it uses less digits than its factorization.

25811026081108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5276171726 (or 5276171724 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 43.

The spelling of 25811026081108 in words is "twenty-five trillion, eight hundred eleven billion, twenty-six million, eighty-one thousand, one hundred eight".