11804173920 has 576 divisors, whose sum is σ = 51967319040. Its totient is φ = 2367590400.

The previous prime is 11804173903. The next prime is 11804173933. The reversal of 11804173920 is 2937140811.

It is a happy number.

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 95 ways as a sum of consecutive naturals, for example, 3213685 + ... + 3217355.

It is an arithmetic number, because the mean of its divisors is an integer number (90221040).

Almost surely, 2^11804173920 is an apocalyptic number.

11804173920 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 11804173920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25983659520).

11804173920 is an abundant number, since it is smaller than the sum of its proper divisors (40163145120).

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

11804173920 is a wasteful number, since it uses less digits than its factorization.

11804173920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739 (or 3728 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 11804173920 in words is "eleven billion, eight hundred four million, one hundred seventy-three thousand, nine hundred twenty".