10881216000 has 400 divisors, whose sum is σ = 40551310800. Its totient is φ = 2900275200.

The previous prime is 10881215987. The next prime is 10881216019. The reversal of 10881216000 is 61218801.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5182951 + ... + 5185049.

It is an arithmetic number, because the mean of its divisors is an integer number (101378277).

Almost surely, 2^10881216000 is an apocalyptic number.

10881216000 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 10881216000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20275655400).

10881216000 is an abundant number, since it is smaller than the sum of its proper divisors (29670094800).

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

10881216000 is an frugal number, since it uses more digits than its factorization.

10881216000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144 (or 2109 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The spelling of 10881216000 in words is "ten billion, eight hundred eighty-one million, two hundred sixteen thousand".