1143113804280 has 768 divisors, whose sum is σ = 4407346944000. Its totient is φ = 251554222080.

The previous prime is 1143113804267. The next prime is 1143113804299. The reversal of 1143113804280 is 824083113411.

1143113804280 is a `hidden beast` number, since 1 + 1 + 43 + 113 + 80 + 428 + 0 = 666.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3275397546 + ... + 3275397894.

It is an arithmetic number, because the mean of its divisors is an integer number (5738733000).

Almost surely, 2^{1143113804280} is an apocalyptic number.

1143113804280 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 1143113804280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2203673472000).

1143113804280 is an abundant number, since it is smaller than the sum of its proper divisors (3264233139720).

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

1143113804280 is a wasteful number, since it uses less digits than its factorization.

1143113804280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 757 counting only the distinct ones).

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

Adding to 1143113804280 its reverse (824083113411), we get a palindrome (1967196917691).

The spelling of 1143113804280 in words is "one trillion, one hundred forty-three billion, one hundred thirteen million, eight hundred four thousand, two hundred eighty".