2640522011 has 2 divisors, whose sum is σ = 2640522012. Its totient is φ = 2640522010.

The previous prime is 2640521987. The next prime is 2640522019. The reversal of 2640522011 is 1102250462.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2640522011 - 2¹⁴ = 2640505627 is a prime.

It is not a weakly prime, because it can be changed into another prime (2640522019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320261005 + 1320261006.

It is an arithmetic number, because the mean of its divisors is an integer number (1320261006).

Almost surely, 2^2640522011 is an apocalyptic number.

2640522011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2640522011 is an equidigital number, since it uses as much as digits as its factorization.

2640522011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2640522011 is about 51386.0098762299. The cubic root of 2640522011 is about 1382.1757338610.

Adding to 2640522011 its reverse (1102250462), we get a palindrome (3742772473).

The spelling of 2640522011 in words is "two billion, six hundred forty million, five hundred twenty-two thousand, eleven".