1198813556760 has 128 divisors (see below), whose sum is σ = 3623990284800. Its totient is φ = 317242137600.

The previous prime is 1198813556753. The next prime is 1198813556797. The reversal of 1198813556760 is 676553188911.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 1198813556694 and 1198813556703.

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 31 ways as a sum of consecutive naturals, for example, 10403460 + ... + 10518060.

It is an arithmetic number, because the mean of its divisors is an integer number (28312424100).

Almost surely, 2^{1198813556760} is an apocalyptic number.

1198813556760 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 1198813556760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1811995142400).

1198813556760 is an abundant number, since it is smaller than the sum of its proper divisors (2425176728040).

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

1198813556760 is a wasteful number, since it uses less digits than its factorization.

1198813556760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115281 (or 115277 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 60.

The spelling of 1198813556760 in words is "one trillion, one hundred ninety-eight billion, eight hundred thirteen million, five hundred fifty-six thousand, seven hundred sixty".