1118861514736 has 360 divisors, whose sum is σ = 2720483377920. Its totient is φ = 444320577792.

The previous prime is 1118861514707. The next prime is 1118861514769. The reversal of 1118861514736 is 6374151688111.

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 71 ways as a sum of consecutive naturals, for example, 3644499895 + ... + 3644500201.

It is an arithmetic number, because the mean of its divisors is an integer number (7556898272).

Almost surely, 2^{1118861514736} is an apocalyptic number.

1118861514736 is a gapful number since it is divisible by the number (16) 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 1118861514736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1360241688960).

1118861514736 is an abundant number, since it is smaller than the sum of its proper divisors (1601621863184).

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

1118861514736 is a wasteful number, since it uses less digits than its factorization.

1118861514736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609 (or 577 counting only the distinct ones).

The product of its digits is 967680, while the sum is 52.

The spelling of 1118861514736 in words is "one trillion, one hundred eighteen billion, eight hundred sixty-one million, five hundred fourteen thousand, seven hundred thirty-six".