52078708814321 has 12 divisors (see below), whose sum is σ = 60630329639988. Its totient is φ = 44602806804192.

The previous prime is 52078708814213. The next prime is 52078708814323. The reversal of 52078708814321 is 12341880787025.

It can be written as a sum of positive squares in 2 ways, for example, as 28507441063696 + 23571267750625 = 5339236^2 + 4855025^2 .

It is not a de Polignac number, because 52078708814321 - 2³⁰ = 52077635072497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52078708814323) 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, 429539546 + ... + 429660771.

It is an arithmetic number, because the mean of its divisors is an integer number (5052527469999).

Almost surely, 2^{52078708814321} is an apocalyptic number.

It is an amenable number.

52078708814321 is a deficient number, since it is larger than the sum of its proper divisors (8551620825667).

52078708814321 is a wasteful number, since it uses less digits than its factorization.

52078708814321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859201568 (or 859201561 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 56.

The spelling of 52078708814321 in words is "fifty-two trillion, seventy-eight billion, seven hundred eight million, eight hundred fourteen thousand, three hundred twenty-one".