11285764811 has 4 divisors (see below), whose sum is σ = 11295815592. Its totient is φ = 11275714032.

The previous prime is 11285764769. The next prime is 11285764829. The reversal of 11285764811 is 11846758211.

It is a happy number.

11285764811 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 11285764811 - 2¹⁴ = 11285748427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11285764411) 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, 5023706 + ... + 5025951.

It is an arithmetic number, because the mean of its divisors is an integer number (2823953898).

Almost surely, 2^11285764811 is an apocalyptic number.

11285764811 is a deficient number, since it is larger than the sum of its proper divisors (10050781).

11285764811 is a wasteful number, since it uses less digits than its factorization.

11285764811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10050780.

The product of its digits is 107520, while the sum is 44.

The spelling of 11285764811 in words is "eleven billion, two hundred eighty-five million, seven hundred sixty-four thousand, eight hundred eleven".