11004450912 has 384 divisors, whose sum is σ = 40111948800. Its totient is φ = 2857586688.

The previous prime is 11004450911. The next prime is 11004450943. The reversal of 11004450912 is 21905440011.

11004450912 is a `hidden beast` number, since 1 + 100 + 44 + 509 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11004450911) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5266764 + ... + 5268852.

It is an arithmetic number, because the mean of its divisors is an integer number (104458200).

Almost surely, 2^11004450912 is an apocalyptic number.

11004450912 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 11004450912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20055974400).

11004450912 is an abundant number, since it is smaller than the sum of its proper divisors (29107497888).

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

11004450912 is a wasteful number, since it uses less digits than its factorization.

11004450912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195 (or 2181 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 11004450912 its reverse (21905440011), we get a palindrome (32909890923).

The spelling of 11004450912 in words is "eleven billion, four million, four hundred fifty thousand, nine hundred twelve".