11145045612 has 48 divisors (see below), whose sum is σ = 27396723200. Its totient is φ = 3516540480.

The previous prime is 11145045581. The next prime is 11145045649. The reversal of 11145045612 is 21654054111.

11145045612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11145045612.

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 15 ways as a sum of consecutive naturals, for example, 260814 + ... + 300522.

Almost surely, 2^11145045612 is an apocalyptic number.

11145045612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11145045612 is an abundant number, since it is smaller than the sum of its proper divisors (16251677588).

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

11145045612 is a wasteful number, since it uses less digits than its factorization.

11145045612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40966 (or 40964 counting only the distinct ones).

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

Adding to 11145045612 its reverse (21654054111), we get a palindrome (32799099723).

The spelling of 11145045612 in words is "eleven billion, one hundred forty-five million, forty-five thousand, six hundred twelve".