27111111116 has 24 divisors (see below), whose sum is σ = 47577600000. Its totient is φ = 13517556624.

The previous prime is 27111111109. The next prime is 27111111169. The reversal of 27111111116 is 61111111172.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27111111091 and 27111111100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2867525 + ... + 2876963.

It is an arithmetic number, because the mean of its divisors is an integer number (1982400000).

Almost surely, 2^27111111116 is an apocalyptic number.

It is an amenable number.

27111111116 is a deficient number, since it is larger than the sum of its proper divisors (20466488884).

27111111116 is a wasteful number, since it uses less digits than its factorization.

27111111116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11381 (or 11379 counting only the distinct ones).

The product of its digits is 84, while the sum is 23.

Adding to 27111111116 its reverse (61111111172), we get a palindrome (88222222288).

The spelling of 27111111116 in words is "twenty-seven billion, one hundred eleven million, one hundred eleven thousand, one hundred sixteen".