11478085200 has 180 divisors, whose sum is σ = 39954562908. Its totient is φ = 3051417600.

The previous prime is 11478085181. The next prime is 11478085207. The reversal of 11478085200 is 258087411.

11478085200 is a `hidden beast` number, since 11 + 47 + 80 + 8 + 520 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 189447696 + 11288637504 = 13764^2 + 106248^2 .

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11478085207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1208470 + ... + 1217930.

Almost surely, 2^11478085200 is an apocalyptic number.

11478085200 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 11478085200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19977281454).

11478085200 is an abundant number, since it is smaller than the sum of its proper divisors (28476477708).

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

11478085200 is a wasteful number, since it uses less digits than its factorization.

11478085200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9822 (or 9808 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The spelling of 11478085200 in words is "eleven billion, four hundred seventy-eight million, eighty-five thousand, two hundred".