1116521600 has 96 divisors (see below), whose sum is σ = 2768394240. Its totient is φ = 444953600.

The previous prime is 1116521599. The next prime is 1116521611. The reversal of 1116521600 is 61256111.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1225145 + ... + 1226055.

It is an arithmetic number, because the mean of its divisors is an integer number (28837440).

Almost surely, 2^1116521600 is an apocalyptic number.

1116521600 is a gapful number since it is divisible by the number (10) 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 1116521600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1384197120).

1116521600 is an abundant number, since it is smaller than the sum of its proper divisors (1651872640).

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

1116521600 is an equidigital number, since it uses as much as digits as its factorization.

1116521600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318 (or 1301 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 1116521600 is about 33414.3921087905. The cubic root of 1116521600 is about 1037.4226119274.

Adding to 1116521600 its reverse (61256111), we get a palindrome (1177777711).

The spelling of 1116521600 in words is "one billion, one hundred sixteen million, five hundred twenty-one thousand, six hundred".