5178214245585 has 16 divisors (see below), whose sum is σ = 8285301743040. Its totient is φ = 2761661280960.

The previous prime is 5178214245583. The next prime is 5178214245629. The reversal of 5178214245585 is 5855424128715.

It is a happy number.

It is not a de Polignac number, because 5178214245585 - 2¹ = 5178214245583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5178214245583) by changing a digit.

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, 2497075 + ... + 4073304.

It is an arithmetic number, because the mean of its divisors is an integer number (517831358940).

Almost surely, 2^{5178214245585} is an apocalyptic number.

It is an amenable number.

5178214245585 is a deficient number, since it is larger than the sum of its proper divisors (3107087497455).

5178214245585 is a wasteful number, since it uses less digits than its factorization.

5178214245585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6622928.

The product of its digits is 17920000, while the sum is 57.

The spelling of 5178214245585 in words is "five trillion, one hundred seventy-eight billion, two hundred fourteen million, two hundred forty-five thousand, five hundred eighty-five".