1181283264000 has 1120 divisors, whose sum is σ = 5048692773696. Its totient is φ = 269932953600.

The previous prime is 1181283263989. The next prime is 1181283264023. The reversal of 1181283264000 is 4623821811.

1181283264000 is a `hidden beast` number, since 1 + 1 + 8 + 1 + 2 + 8 + 3 + 2 + 640 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1120).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 326590192 + ... + 326593808.

Almost surely, 2^{1181283264000} is an apocalyptic number.

1181283264000 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 1181283264000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2524346386848).

1181283264000 is an abundant number, since it is smaller than the sum of its proper divisors (3867409509696).

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

1181283264000 is an frugal number, since it uses more digits than its factorization.

1181283264000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675 (or 3634 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 1181283264000 in words is "one trillion, one hundred eighty-one billion, two hundred eighty-three million, two hundred sixty-four thousand".