25969940027712 has 84 divisors (see below), whose sum is σ = 77195112417696. Its totient is φ = 8656646670720.

The previous prime is 25969940027677. The next prime is 25969940027819. The reversal of 25969940027712 is 21772004996952.

25969940027712 is a `hidden beast` number, since 2 + 59 + 6 + 99 + 400 + 27 + 71 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 25969940027712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 834923364 + ... + 834954467.

It is an arithmetic number, because the mean of its divisors is an integer number (918989433544).

Almost surely, 2^{25969940027712} is an apocalyptic number.

It is an amenable number.

25969940027712 is an abundant number, since it is smaller than the sum of its proper divisors (51225172389984).

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

25969940027712 is an equidigital number, since it uses as much as digits as its factorization.

25969940027712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669877858 (or 1669877836 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 63.

The spelling of 25969940027712 in words is "twenty-five trillion, nine hundred sixty-nine billion, nine hundred forty million, twenty-seven thousand, seven hundred twelve".