111418001 has 2 divisors, whose sum is σ = 111418002. Its totient is φ = 111418000.

The previous prime is 111417997. The next prime is 111418009. The reversal of 111418001 is 100814111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104019601 + 7398400 = 10199^2 + 2720^2 .

It is an emirp because it is prime and its reverse (100814111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111418001 - 2² = 111417997 is a prime.

It is not a weakly prime, because it can be changed into another prime (111418009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55709000 + 55709001.

It is an arithmetic number, because the mean of its divisors is an integer number (55709001).

Almost surely, 2^111418001 is an apocalyptic number.

It is an amenable number.

111418001 is a deficient number, since it is larger than the sum of its proper divisors (1).

111418001 is an equidigital number, since it uses as much as digits as its factorization.

111418001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

The square root of 111418001 is about 10555.4725616620. The cubic root of 111418001 is about 481.1920617044.

The spelling of 111418001 in words is "one hundred eleven million, four hundred eighteen thousand, one".