1118249918688 has 144 divisors (see below), whose sum is σ = 3417259893264. Its totient is φ = 319256340480.

The previous prime is 1118249918671. The next prime is 1118249918693. The reversal of 1118249918688 is 8868199428111.

It is a happy number.

It is a super-2 number, since 2×1118249918688² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6124006 + ... + 6303962.

It is an arithmetic number, because the mean of its divisors is an integer number (23730971481).

Almost surely, 2^{1118249918688} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1118249918688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1708629946632).

1118249918688 is an abundant number, since it is smaller than the sum of its proper divisors (2299009974576).

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

1118249918688 is a wasteful number, since it uses less digits than its factorization.

1118249918688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181305 (or 181290 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 66.

The spelling of 1118249918688 in words is "one trillion, one hundred eighteen billion, two hundred forty-nine million, nine hundred eighteen thousand, six hundred eighty-eight".