111616213236 has 48 divisors (see below), whose sum is σ = 284134169088. Its totient is φ = 33820693600.

The previous prime is 111616213213. The next prime is 111616213243. The reversal of 111616213236 is 632312616111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 = 111616213197 and 111616213206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2960641 + ... + 2998103.

It is an arithmetic number, because the mean of its divisors is an integer number (5919461856).

Almost surely, 2^111616213236 is an apocalyptic number.

It is an amenable number.

111616213236 is an abundant number, since it is smaller than the sum of its proper divisors (172517955852).

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

111616213236 is a wasteful number, since it uses less digits than its factorization.

111616213236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60052 (or 60050 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

Adding to 111616213236 its reverse (632312616111), we get a palindrome (743928829347).

The spelling of 111616213236 in words is "one hundred eleven billion, six hundred sixteen million, two hundred thirteen thousand, two hundred thirty-six".