11204728920 has 512 divisors, whose sum is σ = 47283609600. Its totient is φ = 2292364800.

The previous prime is 11204728897. The next prime is 11204728933. The reversal of 11204728920 is 2982740211.

11204728920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5570715 + ... + 5572725.

It is an arithmetic number, because the mean of its divisors is an integer number (92350800).

Almost surely, 2^11204728920 is an apocalyptic number.

11204728920 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 11204728920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23641804800).

11204728920 is an abundant number, since it is smaller than the sum of its proper divisors (36078880680).

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

11204728920 is a wasteful number, since it uses less digits than its factorization.

11204728920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116 (or 2106 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 11204728920 in words is "eleven billion, two hundred four million, seven hundred twenty-eight thousand, nine hundred twenty".