1188018570816 has 896 divisors, whose sum is σ = 4449420656640. Its totient is φ = 308237529600.

The previous prime is 1188018570811. The next prime is 1188018570821. The reversal of 1188018570816 is 6180758108811.

It is an interprime number because it is at equal distance from previous prime (1188018570811) and next prime (1188018570821).

It is a super-2 number, since 2×1188018570816² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1188018570811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1304081401 + ... + 1304082311.

Almost surely, 2^{1188018570816} is an apocalyptic number.

1188018570816 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 1188018570816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2224710328320).

1188018570816 is an abundant number, since it is smaller than the sum of its proper divisors (3261402085824).

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

1188018570816 is an frugal number, since it uses more digits than its factorization.

1188018570816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984 (or 934 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 54.

The spelling of 1188018570816 in words is "one trillion, one hundred eighty-eight billion, eighteen million, five hundred seventy thousand, eight hundred sixteen".