111600618111 has 6 divisors (see below), whose sum is σ = 161200892840. Its totient is φ = 74400412068.

The previous prime is 111600618083. The next prime is 111600618119. The reversal of 111600618111 is 111816006111.

It is not a de Polignac number, because 111600618111 - 2⁷ = 111600617983 is a prime.

It is a super-2 number, since 2×111600618111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111600618119) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6200034331 + ... + 6200034348.

Almost surely, 2^111600618111 is an apocalyptic number.

111600618111 is a deficient number, since it is larger than the sum of its proper divisors (49600274729).

111600618111 is a wasteful number, since it uses less digits than its factorization.

111600618111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12400068685 (or 12400068682 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 27.

The spelling of 111600618111 in words is "one hundred eleven billion, six hundred million, six hundred eighteen thousand, one hundred eleven".