11184394920 has 128 divisors (see below), whose sum is σ = 35866333440. Its totient is φ = 2783221760.

The previous prime is 11184394913. The next prime is 11184394937. The reversal of 11184394920 is 2949348111.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63742 + ... + 162578.

It is an arithmetic number, because the mean of its divisors is an integer number (280205730).

Almost surely, 2^11184394920 is an apocalyptic number.

11184394920 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 11184394920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17933166720).

11184394920 is an abundant number, since it is smaller than the sum of its proper divisors (24681938520).

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

11184394920 is a wasteful number, since it uses less digits than its factorization.

11184394920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98915 (or 98911 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 11184394920 in words is "eleven billion, one hundred eighty-four million, three hundred ninety-four thousand, nine hundred twenty".