11489280000 has 640 divisors, whose sum is σ = 44221969440. Its totient is φ = 2621440000.

The previous prime is 11489279987. The next prime is 11489280007. The reversal of 11489280000 is 8298411.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11489280007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 675839992 + ... + 675840008.

Almost surely, 2^11489280000 is an apocalyptic number.

11489280000 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 11489280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22110984720).

11489280000 is an abundant number, since it is smaller than the sum of its proper divisors (32732689440).

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

11489280000 is an frugal number, since it uses more digits than its factorization.

11489280000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The spelling of 11489280000 in words is "eleven billion, four hundred eighty-nine million, two hundred eighty thousand".