11427091200 has 1080 divisors, whose sum is σ = 50050463232. Its totient is φ = 2518179840.

The previous prime is 11427091177. The next prime is 11427091261. The reversal of 11427091200 is 219072411.

It is a tau number, because it is divible by the number of its divisors (1080).

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

It is an unprimeable number.

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 119 ways as a sum of consecutive naturals, for example, 170553567 + ... + 170553633.

Almost surely, 2^11427091200 is an apocalyptic number.

11427091200 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 11427091200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25025231616).

11427091200 is an abundant number, since it is smaller than the sum of its proper divisors (38623372032).

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

11427091200 is an equidigital number, since it uses as much as digits as its factorization.

11427091200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The spelling of 11427091200 in words is "eleven billion, four hundred twenty-seven million, ninety-one thousand, two hundred".