11112641 has 2 divisors, whose sum is σ = 11112642. Its totient is φ = 11112640.

The previous prime is 11112637. The next prime is 11112643. The reversal of 11112641 is 14621111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8850625 + 2262016 = 2975^2 + 1504^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112641 - 2² = 11112637 is a prime.

It is a Sophie Germain prime.

Together with 11112643, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11112643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556320 + 5556321.

It is an arithmetic number, because the mean of its divisors is an integer number (5556321).

Almost surely, 2^11112641 is an apocalyptic number.

It is an amenable number.

11112641 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112641 is an equidigital number, since it uses as much as digits as its factorization.

11112641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48, while the sum is 17.

The square root of 11112641 is about 3333.5628087678. The cubic root of 11112641 is about 223.1545578044.

Adding to 11112641 its reverse (14621111), we get a palindrome (25733752).

The spelling of 11112641 in words is "eleven million, one hundred twelve thousand, six hundred forty-one".