5173210388856 has 32 divisors (see below), whose sum is σ = 12939495840000. Its totient is φ = 1723540813920.

The previous prime is 5173210388851. The next prime is 5173210388893. The reversal of 5173210388856 is 6588830123715.

It is a junction number, because it is equal to n+sod(n) for n = 5173210388796 and 5173210388805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5173210388851) 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 7 ways as a sum of consecutive naturals, for example, 53866590 + ... + 53962541.

It is an arithmetic number, because the mean of its divisors is an integer number (404359245000).

Almost surely, 2^{5173210388856} is an apocalyptic number.

It is an amenable number.

5173210388856 is an abundant number, since it is smaller than the sum of its proper divisors (7766285451144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5173210388856 is a wasteful number, since it uses less digits than its factorization.

5173210388856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107831139 (or 107831135 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 57.

The spelling of 5173210388856 in words is "five trillion, one hundred seventy-three billion, two hundred ten million, three hundred eighty-eight thousand, eight hundred fifty-six".