111043162161 has 12 divisors (see below), whose sum is σ = 160401560592. Its totient is φ = 74026060056.

The previous prime is 111043162103. The next prime is 111043162187. The reversal of 111043162161 is 161261340111.

111043162161 is a `hidden beast` number, since 1 + 1 + 1 + 0 + 4 + 31 + 621 + 6 + 1 = 666.

It is not a de Polignac number, because 111043162161 - 2⁷ = 111043162033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111043152161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50670 + ... + 473976.

It is an arithmetic number, because the mean of its divisors is an integer number (13366796716).

Almost surely, 2^111043162161 is an apocalyptic number.

It is an amenable number.

111043162161 is a deficient number, since it is larger than the sum of its proper divisors (49358398431).

111043162161 is a wasteful number, since it uses less digits than its factorization.

111043162161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452460 (or 452457 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 111043162161 in words is "one hundred eleven billion, forty-three million, one hundred sixty-two thousand, one hundred sixty-one".