51316673285 has 8 divisors (see below), whose sum is σ = 61581326976. Its totient is φ = 41052459280.

The previous prime is 51316673251. The next prime is 51316673327. The reversal of 51316673285 is 58237661315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51316673285 - 2¹⁰ = 51316672261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260072 + ... + 412638.

It is an arithmetic number, because the mean of its divisors is an integer number (7697665872).

Almost surely, 2^51316673285 is an apocalyptic number.

It is an amenable number.

51316673285 is a deficient number, since it is larger than the sum of its proper divisors (10264653691).

51316673285 is a wasteful number, since it uses less digits than its factorization.

51316673285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219843.

The product of its digits is 907200, while the sum is 47.

The spelling of 51316673285 in words is "fifty-one billion, three hundred sixteen million, six hundred seventy-three thousand, two hundred eighty-five".