1115601016 has 32 divisors (see below), whose sum is σ = 2190252960. Its totient is φ = 531701632.

The previous prime is 1115600989. The next prime is 1115601031. The reversal of 1115601016 is 6101065111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43566 + ... + 64258.

It is an arithmetic number, because the mean of its divisors is an integer number (68445405).

Almost surely, 2^1115601016 is an apocalyptic number.

It is an amenable number.

1115601016 is a deficient number, since it is larger than the sum of its proper divisors (1074651944).

1115601016 is a wasteful number, since it uses less digits than its factorization.

1115601016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21015 (or 21011 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 1115601016 is about 33400.6140063323. The cubic root of 1115601016 is about 1037.1374115166.

Adding to 1115601016 its reverse (6101065111), we get a palindrome (7216666127).

The spelling of 1115601016 in words is "one billion, one hundred fifteen million, six hundred one thousand, sixteen".