1143437817120 has 192 divisors, whose sum is σ = 3616794115200. Its totient is φ = 303651872768.

The previous prime is 1143437817107. The next prime is 1143437817131. The reversal of 1143437817120 is 217187343411.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181523731 + ... + 181530029.

It is an arithmetic number, because the mean of its divisors is an integer number (18837469350).

Almost surely, 2^{1143437817120} is an apocalyptic number.

1143437817120 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 1143437817120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1808397057600).

1143437817120 is an abundant number, since it is smaller than the sum of its proper divisors (2473356298080).

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

1143437817120 is a wasteful number, since it uses less digits than its factorization.

1143437817120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7827 (or 7819 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 1143437817120 in words is "one trillion, one hundred forty-three billion, four hundred thirty-seven million, eight hundred seventeen thousand, one hundred twenty".