11011111116 has 24 divisors (see below), whose sum is σ = 27044834880.
Its totient is φ = 3477192912.
The previous prime is 11011111051. The next prime is 11011111117. The reversal of 11011111116 is 61111111011.
Adding to 11011111116 its reverse (61111111011), we get a palindrome (72122222127).
It is a junction number, because it is equal to n+sod(n) for n = 11011111095 and 11011111104.
It is not an unprimeable number, because it can be changed into a prime (11011111117) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24146946 + ... + 24147401.
It is an arithmetic number, because the mean of its divisors is an integer number (1126868120).
Almost surely, 211011111116 is an apocalyptic number.
It is an amenable number.
11011111116 is an abundant number, since it is smaller than the sum of its proper divisors (16033723764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11011111116 is a wasteful number, since it uses less digits than its factorization.
11011111116 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48294373 (or 48294371 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 15.
The spelling of 11011111116 in words is "eleven billion, eleven million, one hundred eleven thousand, one hundred sixteen".