11040238771 has 4 divisors (see below), whose sum is σ = 11054521872. Its totient is φ = 11025955672.

The previous prime is 11040238739. The next prime is 11040238793. The reversal of 11040238771 is 17783204011.

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 11040238771 - 2⁵ = 11040238739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11040238711) 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, 7140391 + ... + 7141936.

It is an arithmetic number, because the mean of its divisors is an integer number (2763630468).

Almost surely, 2^11040238771 is an apocalyptic number.

11040238771 is a deficient number, since it is larger than the sum of its proper divisors (14283101).

11040238771 is an equidigital number, since it uses as much as digits as its factorization.

11040238771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14283100.

The product of its (nonzero) digits is 9408, while the sum is 34.

The spelling of 11040238771 in words is "eleven billion, forty million, two hundred thirty-eight thousand, seven hundred seventy-one".