56305814321615 has 16 divisors (see below), whose sum is σ = 68533930910880. Its totient is φ = 44403910723200.

The previous prime is 56305814321551. The next prime is 56305814321629. The reversal of 56305814321615 is 51612341850365.

It is not a de Polignac number, because 56305814321615 - 2⁶ = 56305814321551 is a prime.

It is a congruent 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, 243326849 + ... + 243558138.

It is an arithmetic number, because the mean of its divisors is an integer number (4283370681930).

Almost surely, 2^{56305814321615} is an apocalyptic number.

56305814321615 is a deficient number, since it is larger than the sum of its proper divisors (12228116589265).

56305814321615 is a wasteful number, since it uses less digits than its factorization.

56305814321615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486885322.

The product of its (nonzero) digits is 2592000, while the sum is 50.

The spelling of 56305814321615 in words is "fifty-six trillion, three hundred five billion, eight hundred fourteen million, three hundred twenty-one thousand, six hundred fifteen".