11804663520 has 1152 divisors, whose sum is σ = 50469350400. Its totient is φ = 2561974272.

The previous prime is 11804663513. The next prime is 11804663531. The reversal of 11804663520 is 2536640811.

It is a happy number.

11804663520 is a `hidden beast` number, since 1 + 18 + 0 + 4 + 6 + 635 + 2 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 319044942 + ... + 319044978.

It is an arithmetic number, because the mean of its divisors is an integer number (43810200).

Almost surely, 2^11804663520 is an apocalyptic number.

11804663520 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 11804663520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25234675200).

11804663520 is an abundant number, since it is smaller than the sum of its proper divisors (38664686880).

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

11804663520 is a wasteful number, since it uses less digits than its factorization.

11804663520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 11804663520 in words is "eleven billion, eight hundred four million, six hundred sixty-three thousand, five hundred twenty".