111672717745 has 8 divisors (see below), whose sum is σ = 134170094016. Its totient is φ = 89229619056.

The previous prime is 111672717731. The next prime is 111672717781. The reversal of 111672717745 is 547717276111.

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

It is a cyclic number.

It is not a de Polignac number, because 111672717745 - 2¹¹ = 111672715697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13564867 + ... + 13573096.

It is an arithmetic number, because the mean of its divisors is an integer number (16771261752).

Almost surely, 2^111672717745 is an apocalyptic number.

It is an amenable number.

111672717745 is a deficient number, since it is larger than the sum of its proper divisors (22497376271).

111672717745 is an equidigital number, since it uses as much as digits as its factorization.

111672717745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27138791.

The product of its digits is 576240, while the sum is 49.

The spelling of 111672717745 in words is "one hundred eleven billion, six hundred seventy-two million, seven hundred seventeen thousand, seven hundred forty-five".