11215875867 has 16 divisors (see below), whose sum is σ = 17093126400. Its totient is φ = 6408221472.

The previous prime is 11215875829. The next prime is 11215875899. The reversal of 11215875867 is 76857851211.

It is a happy number.

11215875867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11215875867 - 2¹¹ = 11215873819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11215875767) 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 15 ways as a sum of consecutive naturals, for example, 148884 + ... + 211182.

It is an arithmetic number, because the mean of its divisors is an integer number (1068320400).

Almost surely, 2^11215875867 is an apocalyptic number.

11215875867 is a deficient number, since it is larger than the sum of its proper divisors (5877250533).

11215875867 is an equidigital number, since it uses as much as digits as its factorization.

11215875867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70882.

The product of its digits is 940800, while the sum is 51.

The spelling of 11215875867 in words is "eleven billion, two hundred fifteen million, eight hundred seventy-five thousand, eight hundred sixty-seven".