1115359608 has 96 divisors (see below), whose sum is σ = 3198384000. Its totient is φ = 323273280.

The previous prime is 1115359601. The next prime is 1115359621. The reversal of 1115359608 is 8069535111.

It is a Cunningham number, because it is equal to 33397²-1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115359601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58443 + ... + 75141.

It is an arithmetic number, because the mean of its divisors is an integer number (33316500).

Almost surely, 2^1115359608 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 1115359608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1599192000).

1115359608 is an abundant number, since it is smaller than the sum of its proper divisors (2083024392).

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

1115359608 is a wasteful number, since it uses less digits than its factorization.

1115359608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16753 (or 16738 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 1115359608 is about 33396.9999850286. Note that the first 4 decimals coincide. The cubic root of 1115359608 is about 1037.0625964390.

The spelling of 1115359608 in words is "one billion, one hundred fifteen million, three hundred fifty-nine thousand, six hundred eight".