1116510720 has 320 divisors, whose sum is σ = 3934998144. Its totient is φ = 268369920.

The previous prime is 1116510719. The next prime is 1116510743. The reversal of 1116510720 is 270156111.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5291415 + ... + 5291625.

Almost surely, 2^1116510720 is an apocalyptic number.

1116510720 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 1116510720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1967499072).

1116510720 is an abundant number, since it is smaller than the sum of its proper divisors (2818487424).

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

1116510720 is a wasteful number, since it uses less digits than its factorization.

1116510720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 24.

The square root of 1116510720 is about 33414.2293042949. The cubic root of 1116510720 is about 1037.4192421778.

Adding to 1116510720 its reverse (270156111), we get a palindrome (1386666831).

The spelling of 1116510720 in words is "one billion, one hundred sixteen million, five hundred ten thousand, seven hundred twenty".