1198591767144 has 288 divisors, whose sum is σ = 3525717948480. Its totient is φ = 381446537472.

The previous prime is 1198591767133. The next prime is 1198591767223. The reversal of 1198591767144 is 4417671958911.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 980041717 + ... + 980042939.

It is an arithmetic number, because the mean of its divisors is an integer number (12242076210).

Almost surely, 2^{1198591767144} 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 1198591767144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1762858974240).

1198591767144 is an abundant number, since it is smaller than the sum of its proper divisors (2327126181336).

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

1198591767144 is a wasteful number, since it uses less digits than its factorization.

1198591767144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243 (or 2204 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 63.

The spelling of 1198591767144 in words is "one trillion, one hundred ninety-eight billion, five hundred ninety-one million, seven hundred sixty-seven thousand, one hundred forty-four".