111600616111 has 4 divisors (see below), whose sum is σ = 111920389000. Its totient is φ = 111280843224.

The previous prime is 111600616109. The next prime is 111600616129. The reversal of 111600616111 is 111616006111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111616006111 = 131 ⋅852030581.

It is a cyclic number.

It is not a de Polignac number, because 111600616111 - 2¹ = 111600616109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111600619111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159885921 + ... + 159886618.

It is an arithmetic number, because the mean of its divisors is an integer number (27980097250).

Almost surely, 2^111600616111 is an apocalyptic number.

111600616111 is a deficient number, since it is larger than the sum of its proper divisors (319772889).

111600616111 is an equidigital number, since it uses as much as digits as its factorization.

111600616111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319772888.

The product of its (nonzero) digits is 216, while the sum is 25.

The spelling of 111600616111 in words is "one hundred eleven billion, six hundred million, six hundred sixteen thousand, one hundred eleven".