11111116 has 36 divisors (see below), whose sum is σ = 20903400. Its totient is φ = 5165248.

The previous prime is 11111101. The next prime is 11111117. The reversal of 11111116 is 61111111.

It is a plaindrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 11111096 and 11111105.

It is not an unprimeable number, because it can be changed into a prime (11111117) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 124800 + ... + 124888.

It is an arithmetic number, because the mean of its divisors is an integer number (580650).

Almost surely, 2^11111116 is an apocalyptic number.

It is an amenable number.

11111116 is a deficient number, since it is larger than the sum of its proper divisors (9792284).

11111116 is a wasteful number, since it uses less digits than its factorization.

11111116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 173 counting only the distinct ones).

The product of its digits is 6, while the sum is 13.

The square root of 11111116 is about 3333.3340666666. The cubic root of 11111116 is about 223.1443494219.

Adding to 11111116 its reverse (61111111), we get a palindrome (72222227).

It can be divided in two parts, 1111111 and 6, that multiplied together give a palindrome (6666666).

The spelling of 11111116 in words is "eleven million, one hundred eleven thousand, one hundred sixteen".