52055415213121 has 4 divisors (see below), whose sum is σ = 52067689543044. Its totient is φ = 52043140883200.

The previous prime is 52055415213119. The next prime is 52055415213133. The reversal of 52055415213121 is 12131251455025.

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 44527113962496 + 7528301250625 = 6672864^2 + 2743775^2 .

It is a cyclic number.

It is not a de Polignac number, because 52055415213121 - 2¹ = 52055415213119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52055415613121) 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 3 ways as a sum of consecutive naturals, for example, 6137158600 + ... + 6137167081.

It is an arithmetic number, because the mean of its divisors is an integer number (13016922385761).

Almost surely, 2^{52055415213121} is an apocalyptic number.

It is an amenable number.

52055415213121 is a deficient number, since it is larger than the sum of its proper divisors (12274329923).

52055415213121 is a wasteful number, since it uses less digits than its factorization.

52055415213121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12274329922.

The product of its (nonzero) digits is 60000, while the sum is 37.

Adding to 52055415213121 its reverse (12131251455025), we get a palindrome (64186666668146).

The spelling of 52055415213121 in words is "fifty-two trillion, fifty-five billion, four hundred fifteen million, two hundred thirteen thousand, one hundred twenty-one".