11085331506 has 16 divisors (see below), whose sum is σ = 22534117248. Its totient is φ = 3634534800.

The previous prime is 11085331487. The next prime is 11085331507. The reversal of 11085331506 is 60513358011.

11085331506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11085331507) 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, 15143530 + ... + 15144261.

It is an arithmetic number, because the mean of its divisors is an integer number (1408382328).

Almost surely, 2^11085331506 is an apocalyptic number.

11085331506 is an abundant number, since it is smaller than the sum of its proper divisors (11448785742).

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

11085331506 is a wasteful number, since it uses less digits than its factorization.

11085331506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30287857.

The product of its (nonzero) digits is 10800, while the sum is 33.

Adding to 11085331506 its reverse (60513358011), we get a palindrome (71598689517).

The spelling of 11085331506 in words is "eleven billion, eighty-five million, three hundred thirty-one thousand, five hundred six".