5051709178656 has 96 divisors (see below), whose sum is σ = 15165963187200. Its totient is φ = 1442313513216.

The previous prime is 5051709178601. The next prime is 5051709178657. The reversal of 5051709178656 is 6568719071505.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 5051709178656.

It is not an unprimeable number, because it can be changed into a prime (5051709178657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1746586 + ... + 3626841.

It is an arithmetic number, because the mean of its divisors is an integer number (157978783200).

Almost surely, 2^{5051709178656} is an apocalyptic number.

5051709178656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

5051709178656 is an abundant number, since it is smaller than the sum of its proper divisors (10114254008544).

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

5051709178656 is a wasteful number, since it uses less digits than its factorization.

5051709178656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5374846 (or 5374838 counting only the distinct ones).

The product of its (nonzero) digits is 15876000, while the sum is 60.

The spelling of 5051709178656 in words is "five trillion, fifty-one billion, seven hundred nine million, one hundred seventy-eight thousand, six hundred fifty-six".