11481091200 has 384 divisors, whose sum is σ = 42550401600. Its totient is φ = 3022848000.

The previous prime is 11481091199. The next prime is 11481091207. The reversal of 11481091200 is 219018411.

It is a tau number, because it is divible by the number of its divisors (384).

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 (11481091207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7170400 + ... + 7172000.

Almost surely, 2^11481091200 is an apocalyptic number.

11481091200 is a gapful number since it is divisible by the number (10) 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 11481091200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21275200800).

11481091200 is an abundant number, since it is smaller than the sum of its proper divisors (31069310400).

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

11481091200 is a wasteful number, since it uses less digits than its factorization.

11481091200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717 (or 1694 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The spelling of 11481091200 in words is "eleven billion, four hundred eighty-one million, ninety-one thousand, two hundred".