1111111716 has 192 divisors, whose sum is σ = 3271726080. Its totient is φ = 288437760.

The previous prime is 1111111709. The next prime is 1111111733. The reversal of 1111111716 is 6171111111.

It is a junction number, because it is equal to n+sod(n) for n = 1111111692 and 1111111701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1727691 + ... + 1728333.

It is an arithmetic number, because the mean of its divisors is an integer number (17040240).

Almost surely, 2^1111111716 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 1111111716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1635863040).

1111111716 is an abundant number, since it is smaller than the sum of its proper divisors (2160614364).

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

1111111716 is a wasteful number, since it uses less digits than its factorization.

1111111716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 744 counting only the distinct ones).

The product of its digits is 42, while the sum is 21.

The square root of 1111111716 is about 33333.3424066654. The cubic root of 1111111716 is about 1035.7443566043.

Adding to 1111111716 its reverse (6171111111), we get a palindrome (7282222827).

The spelling of 1111111716 in words is "one billion, one hundred eleven million, one hundred eleven thousand, seven hundred sixteen".