11142490811 has 4 divisors (see below), whose sum is σ = 11308796712. Its totient is φ = 10976184912.

The previous prime is 11142490781. The next prime is 11142490813. The reversal of 11142490811 is 11809424111.

11142490811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11142490811 - 2¹⁸ = 11142228667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11142490813) 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 in 3 ways as a sum of consecutive naturals, for example, 83152850 + ... + 83152983.

It is an arithmetic number, because the mean of its divisors is an integer number (2827199178).

Almost surely, 2^11142490811 is an apocalyptic number.

11142490811 is a deficient number, since it is larger than the sum of its proper divisors (166305901).

11142490811 is an equidigital number, since it uses as much as digits as its factorization.

11142490811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166305900.

The product of its (nonzero) digits is 2304, while the sum is 32.

The spelling of 11142490811 in words is "eleven billion, one hundred forty-two million, four hundred ninety thousand, eight hundred eleven".