5178971685953 has 8 divisors (see below), whose sum is σ = 5577555144000. Its totient is φ = 4780416945168.

The previous prime is 5178971685911. The next prime is 5178971685971. The reversal of 5178971685953 is 3595861798715.

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

It is a cyclic number.

It is not a de Polignac number, because 5178971685953 - 2²⁰ = 5178970637377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5178971655953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6804023 + ... + 7526796.

It is an arithmetic number, because the mean of its divisors is an integer number (697194393000).

Almost surely, 2^{5178971685953} is an apocalyptic number.

It is an amenable number.

5178971685953 is a deficient number, since it is larger than the sum of its proper divisors (398583458047).

5178971685953 is a wasteful number, since it uses less digits than its factorization.

5178971685953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14358631.

The product of its digits is 571536000, while the sum is 74.

The spelling of 5178971685953 in words is "five trillion, one hundred seventy-eight billion, nine hundred seventy-one million, six hundred eighty-five thousand, nine hundred fifty-three".