1115515016 has 64 divisors (see below), whose sum is σ = 2616053760. Its totient is φ = 433224000.

The previous prime is 1115514989. The next prime is 1115515021. The reversal of 1115515016 is 6105155111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201161 + ... + 206631.

It is an arithmetic number, because the mean of its divisors is an integer number (40875840).

Almost surely, 2^1115515016 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 1115515016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1308026880).

1115515016 is an abundant number, since it is smaller than the sum of its proper divisors (1500538744).

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

1115515016 is a wasteful number, since it uses less digits than its factorization.

1115515016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5826 (or 5822 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 26.

The square root of 1115515016 is about 33399.3265800375. The cubic root of 1115515016 is about 1037.1107603788.

The spelling of 1115515016 in words is "one billion, one hundred fifteen million, five hundred fifteen thousand, sixteen".