11115016616 has 32 divisors (see below), whose sum is σ = 23723755200. Its totient is φ = 4832615040.

The previous prime is 11115016589. The next prime is 11115016643. The reversal of 11115016616 is 61661051111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11115016589) and next prime (11115016643).

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, 2743781 + ... + 2747828.

It is an arithmetic number, because the mean of its divisors is an integer number (741367350).

Almost surely, 2^11115016616 is an apocalyptic number.

It is an amenable number.

11115016616 is an abundant number, since it is smaller than the sum of its proper divisors (12608738584).

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

11115016616 is a wasteful number, since it uses less digits than its factorization.

11115016616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5491649 (or 5491645 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 29.

Adding to 11115016616 its reverse (61661051111), we get a palindrome (72776067727).

The spelling of 11115016616 in words is "eleven billion, one hundred fifteen million, sixteen thousand, six hundred sixteen".