51579158585 has 8 divisors (see below), whose sum is σ = 62367471936. Its totient is φ = 40948339120.

The previous prime is 51579158557. The next prime is 51579158623. The reversal of 51579158585 is 58585197515.

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

It is not a de Polignac number, because 51579158585 - 2¹⁰ = 51579157561 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39372749 + ... + 39374058.

It is an arithmetic number, because the mean of its divisors is an integer number (7795933992).

Almost surely, 2^51579158585 is an apocalyptic number.

It is an amenable number.

51579158585 is a deficient number, since it is larger than the sum of its proper divisors (10788313351).

51579158585 is a wasteful number, since it uses less digits than its factorization.

51579158585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78746943.

The product of its digits is 12600000, while the sum is 59.

The spelling of 51579158585 in words is "fifty-one billion, five hundred seventy-nine million, one hundred fifty-eight thousand, five hundred eighty-five".