51359733715985 has 16 divisors (see below), whose sum is σ = 64311670573056. Its totient is φ = 39301146443328.

The previous prime is 51359733715943. The next prime is 51359733715999. The reversal of 51359733715985 is 58951733795315.

51359733715985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51359733715985 - 2¹⁴ = 51359733699601 is a prime.

It is a Duffinian 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, 21762512 + ... + 24006798.

It is an arithmetic number, because the mean of its divisors is an integer number (4019479410816).

Almost surely, 2^{51359733715985} is an apocalyptic number.

It is an amenable number.

51359733715985 is a deficient number, since it is larger than the sum of its proper divisors (12951936857071).

51359733715985 is a wasteful number, since it uses less digits than its factorization.

51359733715985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443312.

The product of its digits is 535815000, while the sum is 71.

The spelling of 51359733715985 in words is "fifty-one trillion, three hundred fifty-nine billion, seven hundred thirty-three million, seven hundred fifteen thousand, nine hundred eighty-five".