111160001 has 4 divisors (see below), whose sum is σ = 111378900. Its totient is φ = 110941104.

The previous prime is 111159977. The next prime is 111160033. The reversal of 111160001 is 100061111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73017025 + 38142976 = 8545^2 + 6176^2 .

It is a cyclic number.

It is not a de Polignac number, because 111160001 - 2²² = 106965697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111160201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108686 + ... + 109703.

It is an arithmetic number, because the mean of its divisors is an integer number (27844725).

Almost surely, 2^111160001 is an apocalyptic number.

It is an amenable number.

111160001 is a deficient number, since it is larger than the sum of its proper divisors (218899).

111160001 is an equidigital number, since it uses as much as digits as its factorization.

111160001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218898.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 111160001 is about 10543.2443299015. The cubic root of 111160001 is about 480.8203578510.

The spelling of 111160001 in words is "one hundred eleven million, one hundred sixty thousand, one".