111105105606161 has 8 divisors (see below), whose sum is σ = 111556642932864. Its totient is φ = 110654203802320.

The previous prime is 111105105606091. The next prime is 111105105606193. The reversal of 111105105606161 is 161606501501111.

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 111105105606161 - 2³⁰ = 111104031864337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111105105606461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158530355 + ... + 159229656.

It is an arithmetic number, because the mean of its divisors is an integer number (13944580366608).

Almost surely, 2^{111105105606161} is an apocalyptic number.

It is an amenable number.

111105105606161 is a deficient number, since it is larger than the sum of its proper divisors (451537326703).

111105105606161 is a wasteful number, since it uses less digits than its factorization.

111105105606161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317761431.

The product of its (nonzero) digits is 5400, while the sum is 35.

The spelling of 111105105606161 in words is "one hundred eleven trillion, one hundred five billion, one hundred five million, six hundred six thousand, one hundred sixty-one".