111368401 has 2 divisors, whose sum is σ = 111368402. Its totient is φ = 111368400.

The previous prime is 111368353. The next prime is 111368407. The reversal of 111368401 is 104863111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104530176 + 6838225 = 10224^2 + 2615^2 .

It is a cyclic number.

It is not a de Polignac number, because 111368401 - 2⁷ = 111368273 is a prime.

It is not a weakly prime, because it can be changed into another prime (111368407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55684200 + 55684201.

It is an arithmetic number, because the mean of its divisors is an integer number (55684201).

Almost surely, 2^111368401 is an apocalyptic number.

111368401 is the 4720-th centered decagonal number.

It is an amenable number.

111368401 is a deficient number, since it is larger than the sum of its proper divisors (1).

111368401 is an equidigital number, since it uses as much as digits as its factorization.

111368401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 111368401 is about 10553.1228079654. The cubic root of 111368401 is about 481.1206469462.

The spelling of 111368401 in words is "one hundred eleven million, three hundred sixty-eight thousand, four hundred one".