52505322311 has 4 divisors (see below), whose sum is σ = 56544193272. Its totient is φ = 48466451352.

The previous prime is 52505322283. The next prime is 52505322319. The reversal of 52505322311 is 11322350525.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52505322311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52505322319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2019435461 + ... + 2019435486.

It is an arithmetic number, because the mean of its divisors is an integer number (14136048318).

Almost surely, 2^52505322311 is an apocalyptic number.

52505322311 is a deficient number, since it is larger than the sum of its proper divisors (4038870961).

52505322311 is a wasteful number, since it uses less digits than its factorization.

52505322311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038870960.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 52505322311 its reverse (11322350525), we get a palindrome (63827672836).

The spelling of 52505322311 in words is "fifty-two billion, five hundred five million, three hundred twenty-two thousand, three hundred eleven".