11990018304 has 288 divisors, whose sum is σ = 39935508480. Its totient is φ = 3515443200.

The previous prime is 11990018231. The next prime is 11990018317. The reversal of 11990018304 is 40381009911.

It is a tau number, because it is divible by the number of its divisors (288).

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

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, 2354449 + ... + 2359535.

It is an arithmetic number, because the mean of its divisors is an integer number (138664960).

Almost surely, 2^11990018304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11990018304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19967754240).

11990018304 is an abundant number, since it is smaller than the sum of its proper divisors (27945490176).

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

11990018304 is a wasteful number, since it uses less digits than its factorization.

11990018304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5154 (or 5134 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The spelling of 11990018304 in words is "eleven billion, nine hundred ninety million, eighteen thousand, three hundred four".