11361065821 has 8 divisors (see below), whose sum is σ = 13334996480. Its totient is φ = 9474865488.

The previous prime is 11361065801. The next prime is 11361065851. The reversal of 11361065821 is 12856016311.

11361065821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11361065821 - 2⁷ = 11361065693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11361065801) 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 7 ways as a sum of consecutive naturals, for example, 21932301 + ... + 21932818.

It is an arithmetic number, because the mean of its divisors is an integer number (1666874560).

Almost surely, 2^11361065821 is an apocalyptic number.

It is an amenable number.

11361065821 is a deficient number, since it is larger than the sum of its proper divisors (1973930659).

11361065821 is an equidigital number, since it uses as much as digits as its factorization.

11361065821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43865163.

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 11361065821 in words is "eleven billion, three hundred sixty-one million, sixty-five thousand, eight hundred twenty-one".