2518220011 has 2 divisors, whose sum is σ = 2518220012. Its totient is φ = 2518220010.

The previous prime is 2518220009. The next prime is 2518220059. The reversal of 2518220011 is 1100228152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2518220011 - 2¹ = 2518220009 is a prime.

Together with 2518220009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2518221011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1259110005 + 1259110006.

It is an arithmetic number, because the mean of its divisors is an integer number (1259110006).

Almost surely, 2^2518220011 is an apocalyptic number.

2518220011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2518220011 is an equidigital number, since it uses as much as digits as its factorization.

2518220011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 2518220011 is about 50181.8693454120. The cubic root of 2518220011 is about 1360.4979453652.

Adding to 2518220011 its reverse (1100228152), we get a palindrome (3618448163).

The spelling of 2518220011 in words is "two billion, five hundred eighteen million, two hundred twenty thousand, eleven".