1118568431680 has 448 divisors, whose sum is σ = 3404210250240. Its totient is φ = 340803846144.

The previous prime is 1118568431671. The next prime is 1118568431681. The reversal of 1118568431680 is 861348658111.

It is a tau number, because it is divible by the number of its divisors (448).

It is not an unprimeable number, because it can be changed into a prime (1118568431681) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 229353402 + ... + 229358278.

Almost surely, 2^{1118568431680} is an apocalyptic number.

1118568431680 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 1118568431680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1702105125120).

1118568431680 is an abundant number, since it is smaller than the sum of its proper divisors (2285641818560).

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

1118568431680 is a wasteful number, since it uses less digits than its factorization.

1118568431680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5254 (or 5244 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 52.

The spelling of 1118568431680 in words is "one trillion, one hundred eighteen billion, five hundred sixty-eight million, four hundred thirty-one thousand, six hundred eighty".