25271505325664 has 24 divisors (see below), whose sum is σ = 53580451196160. Its totient is φ = 11663771688576.

The previous prime is 25271505325643. The next prime is 25271505325679. The reversal of 25271505325664 is 46652350517252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30374405024 + ... + 30374405855.

It is an arithmetic number, because the mean of its divisors is an integer number (2232518799840).

Almost surely, 2^{25271505325664} is an apocalyptic number.

It is an amenable number.

25271505325664 is an abundant number, since it is smaller than the sum of its proper divisors (28308945870496).

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

25271505325664 is a wasteful number, since it uses less digits than its factorization.

25271505325664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60748810902 (or 60748810894 counting only the distinct ones).

The product of its (nonzero) digits is 15120000, while the sum is 53.

The spelling of 25271505325664 in words is "twenty-five trillion, two hundred seventy-one billion, five hundred five million, three hundred twenty-five thousand, six hundred sixty-four".