11116447 has 2 divisors, whose sum is σ = 11116448. Its totient is φ = 11116446.

The previous prime is 11116433. The next prime is 11116451. The reversal of 11116447 is 74461111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11116447 - 2¹⁵ = 11083679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11816447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5558223 + 5558224.

It is an arithmetic number, because the mean of its divisors is an integer number (5558224).

Almost surely, 2^11116447 is an apocalyptic number.

11116447 is a deficient number, since it is larger than the sum of its proper divisors (1).

11116447 is an equidigital number, since it uses as much as digits as its factorization.

11116447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 25.

The square root of 11116447 is about 3334.1336205977. The cubic root of 11116447 is about 223.1800311760.

Adding to 11116447 its reverse (74461111), we get a palindrome (85577558).

It can be divided in two parts, 1111 and 6447, that multiplied together give a palindrome (7162617).

The spelling of 11116447 in words is "eleven million, one hundred sixteen thousand, four hundred forty-seven".