5266218811 has 4 divisors (see below), whose sum is σ = 6018535792. Its totient is φ = 4513901832.

The previous prime is 5266218803. The next prime is 5266218821. The reversal of 5266218811 is 1188126625.

It is a happy number.

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 5266218811 - 2³ = 5266218803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5266218821) 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, 376158480 + ... + 376158493.

It is an arithmetic number, because the mean of its divisors is an integer number (1504633948).

Almost surely, 2^5266218811 is an apocalyptic number.

5266218811 is a deficient number, since it is larger than the sum of its proper divisors (752316981).

5266218811 is an equidigital number, since it uses as much as digits as its factorization.

5266218811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752316980.

The product of its digits is 46080, while the sum is 40.

The square root of 5266218811 is about 72568.7178541829. The cubic root of 5266218811 is about 1739.8012292208.

The spelling of 5266218811 in words is "five billion, two hundred sixty-six million, two hundred eighteen thousand, eight hundred eleven".