11215068385 has 12 divisors (see below), whose sum is σ = 14296303548. Its totient is φ = 8444285696.

The previous prime is 11215068353. The next prime is 11215068437. The reversal of 11215068385 is 58386051211.

It is a happy number.

11215068385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 47651409 + 11167416976 = 6903^2 + 105676^2 .

It is not a de Polignac number, because 11215068385 - 2⁵ = 11215068353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3879202 + ... + 3882091.

It is an arithmetic number, because the mean of its divisors is an integer number (1191358629).

Almost surely, 2^11215068385 is an apocalyptic number.

It is an amenable number.

11215068385 is a deficient number, since it is larger than the sum of its proper divisors (3081235163).

11215068385 is an equidigital number, since it uses as much as digits as its factorization.

11215068385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7761332 (or 7761315 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 40.

The spelling of 11215068385 in words is "eleven billion, two hundred fifteen million, sixty-eight thousand, three hundred eighty-five".