11040042112 has 128 divisors (see below), whose sum is σ = 25342920000. Its totient is φ = 4737761280.

The previous prime is 11040042109. The next prime is 11040042187. The reversal of 11040042112 is 21124004011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10941064 + ... + 10942072.

Almost surely, 2^11040042112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11040042112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12671460000).

11040042112 is an abundant number, since it is smaller than the sum of its proper divisors (14302877888).

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

11040042112 is a wasteful number, since it uses less digits than its factorization.

11040042112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462 (or 1450 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11040042112 its reverse (21124004011), we get a palindrome (32164046123).

The spelling of 11040042112 in words is "eleven billion, forty million, forty-two thousand, one hundred twelve".