51582428515 has 16 divisors (see below), whose sum is σ = 61997889888. Its totient is φ = 41200020736.

The previous prime is 51582428477. The next prime is 51582428539.

51582428515 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 51582428515 - 2¹⁵ = 51582395747 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11121777 + ... + 11126413.

It is an arithmetic number, because the mean of its divisors is an integer number (3874868118).

Almost surely, 2^51582428515 is an apocalyptic number.

51582428515 is a deficient number, since it is larger than the sum of its proper divisors (10415461373).

51582428515 is a wasteful number, since it uses less digits than its factorization.

51582428515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7718.

The product of its digits is 640000, while the sum is 46.

The spelling of 51582428515 in words is "fifty-one billion, five hundred eighty-two million, four hundred twenty-eight thousand, five hundred fifteen".