11111716 has 48 divisors (see below), whose sum is σ = 24837120. Its totient is φ = 4223520.

The previous prime is 11111707. The next prime is 11111747. The reversal of 11111716 is 61711111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11111693 and 11111702.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12825 + ... + 13663.

It is an arithmetic number, because the mean of its divisors is an integer number (517440).

Almost surely, 2^11111716 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 11111716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12418560).

11111716 is an abundant number, since it is smaller than the sum of its proper divisors (13725404).

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

11111716 is a wasteful number, since it uses less digits than its factorization.

11111716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 902 counting only the distinct ones).

The product of its digits is 42, while the sum is 19.

The square root of 11111716 is about 3333.4240654318. The cubic root of 11111716 is about 223.1483659461.

Adding to 11111716 its reverse (61711111), we get a palindrome (72822827).

The spelling of 11111716 in words is "eleven million, one hundred eleven thousand, seven hundred sixteen".