11998283912280 has 224 divisors, whose sum is σ = 40598008050960. Its totient is φ = 3189873519360.

The previous prime is 11998283912273. The next prime is 11998283912287. The reversal of 11998283912280 is 8221938289911.

11998283912280 is a `hidden beast` number, since 1 + 1 + 99 + 82 + 8 + 391 + 2 + 2 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (11998283912273) and next prime (11998283912287).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11998283912287) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 9030414 + ... + 10273506.

Almost surely, 2^{11998283912280} is an apocalyptic number.

11998283912280 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 11998283912280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20299004025480).

11998283912280 is an abundant number, since it is smaller than the sum of its proper divisors (28599724138680).

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

11998283912280 is a wasteful number, since it uses less digits than its factorization.

11998283912280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243453 (or 1243434 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 63.

The spelling of 11998283912280 in words is "eleven trillion, nine hundred ninety-eight billion, two hundred eighty-three million, nine hundred twelve thousand, two hundred eighty".