52130242515013 has 4 divisors (see below), whose sum is σ = 56140261170028. Its totient is φ = 48120223860000.

The previous prime is 52130242515011. The next prime is 52130242515031. The reversal of 52130242515013 is 31051524203125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7219845398529 + 44910397116484 = 2686977^2 + 6701522^2 .

It is a cyclic number.

It is not a de Polignac number, because 52130242515013 - 2¹ = 52130242515011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52130242515013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52130242515011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2005009327488 + ... + 2005009327513.

It is an arithmetic number, because the mean of its divisors is an integer number (14035065292507).

Almost surely, 2^{52130242515013} is an apocalyptic number.

It is an amenable number.

52130242515013 is a deficient number, since it is larger than the sum of its proper divisors (4010018655015).

52130242515013 is a wasteful number, since it uses less digits than its factorization.

52130242515013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010018655014.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 52130242515013 its reverse (31051524203125), we get a palindrome (83181766718138).

The spelling of 52130242515013 in words is "fifty-two trillion, one hundred thirty billion, two hundred forty-two million, five hundred fifteen thousand, thirteen".