1118865328 has 40 divisors (see below), whose sum is σ = 2479127040. Its totient is φ = 479196480.

The previous prime is 1118865323. The next prime is 1118865373. The reversal of 1118865328 is 8235688111.

It is not an unprimeable number, because it can be changed into a prime (1118865323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259833 + ... + 264103.

It is an arithmetic number, because the mean of its divisors is an integer number (61978176).

Almost surely, 2^1118865328 is an apocalyptic number.

It is an amenable number.

1118865328 is an abundant number, since it is smaller than the sum of its proper divisors (1360261712).

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

1118865328 is a wasteful number, since it uses less digits than its factorization.

1118865328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6625 (or 6619 counting only the distinct ones).

The product of its digits is 92160, while the sum is 43.

The square root of 1118865328 is about 33449.4443601086. Note that the first 3 decimals coincide. The cubic root of 1118865328 is about 1038.1480008201.

The spelling of 1118865328 in words is "one billion, one hundred eighteen million, eight hundred sixty-five thousand, three hundred twenty-eight".