111442645606617 has 24 divisors (see below), whose sum is σ = 180892410264384. Its totient is φ = 65598346576224.

The previous prime is 111442645606597. The next prime is 111442645606627. The reversal of 111442645606617 is 716606546244111.

111442645606617 is a `hidden beast` number, since 1 + 1 + 1 + 4 + 4 + 2 + 6 + 4 + 560 + 66 + 17 = 666.

It is not a de Polignac number, because 111442645606617 - 2¹² = 111442645602521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111442645606627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20706546103 + ... + 20706551484.

It is an arithmetic number, because the mean of its divisors is an integer number (7537183761016).

Almost surely, 2^{111442645606617} is an apocalyptic number.

It is an amenable number.

111442645606617 is a deficient number, since it is larger than the sum of its proper divisors (69449764657767).

111442645606617 is a wasteful number, since it uses less digits than its factorization.

111442645606617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41413097629 (or 41413097626 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 111442645606617 in words is "one hundred eleven trillion, four hundred forty-two billion, six hundred forty-five million, six hundred six thousand, six hundred seventeen".