111160165505 has 16 divisors (see below), whose sum is σ = 141829781760. Its totient is φ = 83346853632.

The previous prime is 111160165499. The next prime is 111160165531. The reversal of 111160165505 is 505561061111.

It is not a de Polignac number, because 111160165505 - 2¹⁰ = 111160164481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2715599 + ... + 2756228.

It is an arithmetic number, because the mean of its divisors is an integer number (8864361360).

Almost surely, 2^111160165505 is an apocalyptic number.

It is an amenable number.

111160165505 is a deficient number, since it is larger than the sum of its proper divisors (30669616255).

111160165505 is a wasteful number, since it uses less digits than its factorization.

111160165505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5472088.

The product of its (nonzero) digits is 4500, while the sum is 32.

The spelling of 111160165505 in words is "one hundred eleven billion, one hundred sixty million, one hundred sixty-five thousand, five hundred five".