52205323503121 has 4 divisors (see below), whose sum is σ = 53061148478644. Its totient is φ = 51349498527600.

The previous prime is 52205323503107. The next prime is 52205323503191. The reversal of 52205323503121 is 12130532350225.

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 1516619343121 + 50688704160000 = 1231511^2 + 7119600^2 .

It is a cyclic number.

It is not a de Polignac number, because 52205323503121 - 2⁹ = 52205323502609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52205323503191) 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, 427912487670 + ... + 427912487791.

It is an arithmetic number, because the mean of its divisors is an integer number (13265287119661).

Almost surely, 2^{52205323503121} is an apocalyptic number.

It is an amenable number.

52205323503121 is a deficient number, since it is larger than the sum of its proper divisors (855824975523).

52205323503121 is an equidigital number, since it uses as much as digits as its factorization.

52205323503121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855824975522.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 52205323503121 its reverse (12130532350225), we get a palindrome (64335855853346).

The spelling of 52205323503121 in words is "fifty-two trillion, two hundred five billion, three hundred twenty-three million, five hundred three thousand, one hundred twenty-one".