111116471718958 has 16 divisors (see below), whose sum is σ = 167796640040400. Its totient is φ = 55184273084736.

The previous prime is 111116471718911. The next prime is 111116471719009. The reversal of 111116471718958 is 859817174611111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111116471718896 and 111116471718905.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11558266 + ... + 18863362.

It is an arithmetic number, because the mean of its divisors is an integer number (10487290002525).

Almost surely, 2^{111116471718958} is an apocalyptic number.

111116471718958 is a deficient number, since it is larger than the sum of its proper divisors (56680168321442).

111116471718958 is a wasteful number, since it uses less digits than its factorization.

111116471718958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7356291.

The product of its digits is 3386880, while the sum is 61.

The spelling of 111116471718958 in words is "one hundred eleven trillion, one hundred sixteen billion, four hundred seventy-one million, seven hundred eighteen thousand, nine hundred fifty-eight".