2640315011 has 4 divisors (see below), whose sum is σ = 2673736800. Its totient is φ = 2606893224.

The previous prime is 2640314983. The next prime is 2640315023. The reversal of 2640315011 is 1105130462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1105130462 = 2 ⋅552565231.

It is a cyclic number.

It is not a de Polignac number, because 2640315011 - 2¹⁰ = 2640313987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2640315211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16710776 + ... + 16710933.

It is an arithmetic number, because the mean of its divisors is an integer number (668434200).

Almost surely, 2^2640315011 is an apocalyptic number.

2640315011 is a deficient number, since it is larger than the sum of its proper divisors (33421789).

2640315011 is an equidigital number, since it uses as much as digits as its factorization.

2640315011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33421788.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2640315011 is about 51383.9956698581. The cubic root of 2640315011 is about 1382.1396150112.

Adding to 2640315011 its reverse (1105130462), we get a palindrome (3745445473).

It can be divided in two parts, 26403 and 15011, that added together give a palindrome (41414).

The spelling of 2640315011 in words is "two billion, six hundred forty million, three hundred fifteen thousand, eleven".