11142444612 has 96 divisors (see below), whose sum is σ = 29511578880. Its totient is φ = 3247695360.

The previous prime is 11142444539. The next prime is 11142444613. The reversal of 11142444612 is 21644424111.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 11142444612.

It is not an unprimeable number, because it can be changed into a prime (11142444613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216537 + ... + 263007.

It is an arithmetic number, because the mean of its divisors is an integer number (307412280).

Almost surely, 2^11142444612 is an apocalyptic number.

11142444612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11142444612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14755789440).

11142444612 is an abundant number, since it is smaller than the sum of its proper divisors (18369134268).

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

11142444612 is a wasteful number, since it uses less digits than its factorization.

11142444612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46573 (or 46571 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

Adding to 11142444612 its reverse (21644424111), we get a palindrome (32786868723).

The spelling of 11142444612 in words is "eleven billion, one hundred forty-two million, four hundred forty-four thousand, six hundred twelve".