11818800000 has 864 divisors, whose sum is σ = 50187959640. Its totient is φ = 2661120000.

The previous prime is 11818799953. The next prime is 11818800011. The reversal of 11818800000 is 881811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 176399967 + ... + 176400033.

Almost surely, 2^11818800000 is an apocalyptic number.

11818800000 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 11818800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25093979820).

11818800000 is an abundant number, since it is smaller than the sum of its proper divisors (38369159640).

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

11818800000 is an frugal number, since it uses more digits than its factorization.

11818800000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 27.

The spelling of 11818800000 in words is "eleven billion, eight hundred eighteen million, eight hundred thousand".