5178384813547 has 12 divisors (see below), whose sum is σ = 5693653886760. Its totient is φ = 4706208066560.

The previous prime is 5178384813541. The next prime is 5178384813557. The reversal of 5178384813547 is 7453184838715.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-5178384813547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5178384813541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6025033 + ... + 6830650.

It is an arithmetic number, because the mean of its divisors is an integer number (474471157230).

Almost surely, 2^{5178384813547} is an apocalyptic number.

5178384813547 is a deficient number, since it is larger than the sum of its proper divisors (515269073213).

5178384813547 is a wasteful number, since it uses less digits than its factorization.

5178384813547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12859034 (or 12859023 counting only the distinct ones).

The product of its digits is 90316800, while the sum is 64.

The spelling of 5178384813547 in words is "five trillion, one hundred seventy-eight billion, three hundred eighty-four million, eight hundred thirteen thousand, five hundred forty-seven".