11155242216 has 16 divisors (see below), whose sum is σ = 27888105600. Its totient is φ = 3718414064.

The previous prime is 11155242193. The next prime is 11155242271. The reversal of 11155242216 is 61224255111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232400856 + ... + 232400903.

It is an arithmetic number, because the mean of its divisors is an integer number (1743006600).

Almost surely, 2^11155242216 is an apocalyptic number.

It is an amenable number.

11155242216 is an abundant number, since it is smaller than the sum of its proper divisors (16732863384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11155242216 is a wasteful number, since it uses less digits than its factorization.

11155242216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464801768 (or 464801764 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

Adding to 11155242216 its reverse (61224255111), we get a palindrome (72379497327).

The spelling of 11155242216 in words is "eleven billion, one hundred fifty-five million, two hundred forty-two thousand, two hundred sixteen".