111666073045 has 8 divisors (see below), whose sum is σ = 134634356640. Its totient is φ = 88909479120.

The previous prime is 111666073031. The next prime is 111666073063. The reversal of 111666073045 is 540370666111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-111666073045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111666072989 and 111666073007.

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, 52921255 + ... + 52923364.

It is an arithmetic number, because the mean of its divisors is an integer number (16829294580).

Almost surely, 2^111666073045 is an apocalyptic number.

It is an amenable number.

111666073045 is a deficient number, since it is larger than the sum of its proper divisors (22968283595).

111666073045 is a wasteful number, since it uses less digits than its factorization.

111666073045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105844835.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 111666073045 in words is "one hundred eleven billion, six hundred sixty-six million, seventy-three thousand, forty-five".