51368275235256 has 64 divisors (see below), whose sum is σ = 146767789555200. Its totient is φ = 14676521179008.

The previous prime is 51368275235243. The next prime is 51368275235351. The reversal of 51368275235256 is 65253257286315.

51368275235256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×51368275235256⁴ (a number of 56 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51368275235256.

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 15 ways as a sum of consecutive naturals, for example, 18735706 + ... + 21301718.

It is an arithmetic number, because the mean of its divisors is an integer number (2293246711800).

Almost surely, 2^{51368275235256} is an apocalyptic number.

51368275235256 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51368275235256 is an abundant number, since it is smaller than the sum of its proper divisors (95399514319944).

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

51368275235256 is a wasteful number, since it uses less digits than its factorization.

51368275235256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685188 (or 2685184 counting only the distinct ones).

The product of its digits is 90720000, while the sum is 60.

The spelling of 51368275235256 in words is "fifty-one trillion, three hundred sixty-eight billion, two hundred seventy-five million, two hundred thirty-five thousand, two hundred fifty-six".