5218270111 has 4 divisors (see below), whose sum is σ = 5236709512. Its totient is φ = 5199830712.

The previous prime is 5218270091. The next prime is 5218270129. The reversal of 5218270111 is 1110728125.

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 5218270111 - 2¹⁹ = 5217745823 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 5218270111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218273111) 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, 9219276 + ... + 9219841.

It is an arithmetic number, because the mean of its divisors is an integer number (1309177378).

Almost surely, 2^5218270111 is an apocalyptic number.

5218270111 is a deficient number, since it is larger than the sum of its proper divisors (18439401).

5218270111 is a wasteful number, since it uses less digits than its factorization.

5218270111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18439400.

The product of its (nonzero) digits is 1120, while the sum is 28.

The square root of 5218270111 is about 72237.5948589099. The cubic root of 5218270111 is about 1734.5048498581.

Adding to 5218270111 its reverse (1110728125), we get a palindrome (6328998236).

The spelling of 5218270111 in words is "five billion, two hundred eighteen million, two hundred seventy thousand, one hundred eleven".