111040361 has 2 divisors, whose sum is σ = 111040362. Its totient is φ = 111040360.

The previous prime is 111040339. The next prime is 111040381. The reversal of 111040361 is 163040111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76230361 + 34810000 = 8731^2 + 5900^2 .

It is a cyclic number.

It is not a de Polignac number, because 111040361 - 2²⁶ = 43931497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111040381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55520180 + 55520181.

It is an arithmetic number, because the mean of its divisors is an integer number (55520181).

Almost surely, 2^111040361 is an apocalyptic number.

It is an amenable number.

111040361 is a deficient number, since it is larger than the sum of its proper divisors (1).

111040361 is an equidigital number, since it uses as much as digits as its factorization.

111040361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 111040361 is about 10537.5690270574. The cubic root of 111040361 is about 480.6477957862.

Adding to 111040361 its reverse (163040111), we get a palindrome (274080472).

The spelling of 111040361 in words is "one hundred eleven million, forty thousand, three hundred sixty-one".