1118894588560 has 240 divisors, whose sum is σ = 3067930425600. Its totient is φ = 378336172032.

The previous prime is 1118894588557. The next prime is 1118894588633. The reversal of 1118894588560 is 658854988111.

It is a junction number, because it is equal to n+sod(n) for n = 1118894588492 and 1118894588501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 399176119 + ... + 399178921.

It is an arithmetic number, because the mean of its divisors is an integer number (12783043440).

Almost surely, 2^{1118894588560} is an apocalyptic number.

1118894588560 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 1118894588560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1533965212800).

1118894588560 is an abundant number, since it is smaller than the sum of its proper divisors (1949035837040).

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

1118894588560 is a wasteful number, since it uses less digits than its factorization.

1118894588560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4198 (or 4185 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 64.

The spelling of 1118894588560 in words is "one trillion, one hundred eighteen billion, eight hundred ninety-four million, five hundred eighty-eight thousand, five hundred sixty".