11518867 has 2 divisors, whose sum is σ = 11518868. Its totient is φ = 11518866.

The previous prime is 11518853. The next prime is 11518891. The reversal of 11518867 is 76881511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11518867 - 2⁷ = 11518739 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11518817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5759433 + 5759434.

It is an arithmetic number, because the mean of its divisors is an integer number (5759434).

Almost surely, 2^11518867 is an apocalyptic number.

11518867 is a deficient number, since it is larger than the sum of its proper divisors (1).

11518867 is an equidigital number, since it uses as much as digits as its factorization.

11518867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 37.

The square root of 11518867 is about 3393.9456389282. The cubic root of 11518867 is about 225.8412425649.

The spelling of 11518867 in words is "eleven million, five hundred eighteen thousand, eight hundred sixty-seven".