1146981541888 has 384 divisors, whose sum is σ = 3008377532160. Its totient is φ = 424248606720.

The previous prime is 1146981541817. The next prime is 1146981541889. The reversal of 1146981541888 is 8881451896411.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is not an unprimeable number, because it can be changed into a prime (1146981541889) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 516424618 + ... + 516426838.

It is an arithmetic number, because the mean of its divisors is an integer number (7834316490).

Almost surely, 2^{1146981541888} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1146981541888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1504188766080).

1146981541888 is an abundant number, since it is smaller than the sum of its proper divisors (1861395990272).

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

1146981541888 is a wasteful number, since it uses less digits than its factorization.

1146981541888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443 (or 2423 counting only the distinct ones).

The product of its digits is 17694720, while the sum is 64.

The spelling of 1146981541888 in words is "one trillion, one hundred forty-six billion, nine hundred eighty-one million, five hundred forty-one thousand, eight hundred eighty-eight".