52205431111 has 4 divisors (see below), whose sum is σ = 54953085400. Its totient is φ = 49457776824.

The previous prime is 52205431093. The next prime is 52205431127. The reversal of 52205431111 is 11113450225.

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

It is a cyclic number.

It is not a de Polignac number, because 52205431111 - 2⁷ = 52205430983 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 (52205431141) 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, 1373827116 + ... + 1373827153.

It is an arithmetic number, because the mean of its divisors is an integer number (13738271350).

Almost surely, 2^52205431111 is an apocalyptic number.

52205431111 is a deficient number, since it is larger than the sum of its proper divisors (2747654289).

52205431111 is a wasteful number, since it uses less digits than its factorization.

52205431111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747654288.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 52205431111 its reverse (11113450225), we get a palindrome (63318881336).

The spelling of 52205431111 in words is "fifty-two billion, two hundred five million, four hundred thirty-one thousand, one hundred eleven".