240135776211 has 4 divisors (see below), whose sum is σ = 320181034952. Its totient is φ = 160090517472.

The previous prime is 240135776161. The next prime is 240135776227. The reversal of 240135776211 is 112677531042.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 240135776211 - 2¹¹ = 240135774163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240135776211.

It is not an unprimeable number, because it can be changed into a prime (240135576211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40022629366 + ... + 40022629371.

It is an arithmetic number, because the mean of its divisors is an integer number (80045258738).

Almost surely, 2^240135776211 is an apocalyptic number.

240135776211 is a deficient number, since it is larger than the sum of its proper divisors (80045258741).

240135776211 is an equidigital number, since it uses as much as digits as its factorization.

240135776211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80045258740.

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 240135776211 in words is "two hundred forty billion, one hundred thirty-five million, seven hundred seventy-six thousand, two hundred eleven".