1112161116 has 96 divisors (see below), whose sum is σ = 2952246528. Its totient is φ = 322882560.

The previous prime is 1112161087. The next prime is 1112161129. The reversal of 1112161116 is 6111612111.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1112161092 and 1112161101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 298980 + ... + 302676.

It is an arithmetic number, because the mean of its divisors is an integer number (30752568).

Almost surely, 2^1112161116 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 1112161116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1476123264).

1112161116 is an abundant number, since it is smaller than the sum of its proper divisors (1840085412).

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

1112161116 is a wasteful number, since it uses less digits than its factorization.

1112161116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3811 (or 3809 counting only the distinct ones).

The product of its digits is 72, while the sum is 21.

The square root of 1112161116 is about 33349.0796874516. The cubic root of 1112161116 is about 1036.0703268648.

Adding to 1112161116 its reverse (6111612111), we get a palindrome (7223773227).

The spelling of 1112161116 in words is "one billion, one hundred twelve million, one hundred sixty-one thousand, one hundred sixteen".