111110555110001 has 32 divisors (see below), whose sum is σ = 118431804691200. Its totient is φ = 104058248797440.

The previous prime is 111110555109997. The next prime is 111110555110003. The reversal of 111110555110001 is 100011555011111.

It is a cyclic number.

It is not a de Polignac number, because 111110555110001 - 2² = 111110555109997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111110555110003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159679100 + ... + 160373426.

It is an arithmetic number, because the mean of its divisors is an integer number (3700993896600).

Almost surely, 2^{111110555110001} is an apocalyptic number.

It is an amenable number.

111110555110001 is a deficient number, since it is larger than the sum of its proper divisors (7321249581199).

111110555110001 is a wasteful number, since it uses less digits than its factorization.

111110555110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695289.

The product of its (nonzero) digits is 125, while the sum is 23.

The spelling of 111110555110001 in words is "one hundred eleven trillion, one hundred ten billion, five hundred fifty-five million, one hundred ten thousand, one".