240343316511 has 4 divisors (see below), whose sum is σ = 320457755352. Its totient is φ = 160228877672.

The previous prime is 240343316459. The next prime is 240343316513. The reversal of 240343316511 is 115613343042.

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 240343316511 - 2³¹ = 238195832863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240343316513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40057219416 + ... + 40057219421.

It is an arithmetic number, because the mean of its divisors is an integer number (80114438838).

Almost surely, 2^240343316511 is an apocalyptic number.

240343316511 is a deficient number, since it is larger than the sum of its proper divisors (80114438841).

240343316511 is an equidigital number, since it uses as much as digits as its factorization.

240343316511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80114438840.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 240343316511 its reverse (115613343042), we get a palindrome (355956659553).

The spelling of 240343316511 in words is "two hundred forty billion, three hundred forty-three million, three hundred sixteen thousand, five hundred eleven".