65257751312872 has 32 divisors (see below), whose sum is σ = 125670311838720. Its totient is φ = 31745738998080.

The previous prime is 65257751312833. The next prime is 65257751312939. The reversal of 65257751312872 is 27821315775256.

65257751312872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 65257751312872.

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 7 ways as a sum of consecutive naturals, for example, 2975097 + ... + 11805367.

It is an arithmetic number, because the mean of its divisors is an integer number (3927197244960).

Almost surely, 2^{65257751312872} is an apocalyptic number.

It is an amenable number.

65257751312872 is a deficient number, since it is larger than the sum of its proper divisors (60412560525848).

65257751312872 is a wasteful number, since it uses less digits than its factorization.

65257751312872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8855281 (or 8855277 counting only the distinct ones).

The product of its digits is 49392000, while the sum is 61.

The spelling of 65257751312872 in words is "sixty-five trillion, two hundred fifty-seven billion, seven hundred fifty-one million, three hundred twelve thousand, eight hundred seventy-two".