11816087 has 2 divisors, whose sum is σ = 11816088. Its totient is φ = 11816086.

The previous prime is 11816029. The next prime is 11816111. The reversal of 11816087 is 78061811.

11816087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11816087 - 2¹⁶ = 11750551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11816017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5908043 + 5908044.

It is an arithmetic number, because the mean of its divisors is an integer number (5908044).

Almost surely, 2^11816087 is an apocalyptic number.

11816087 is a deficient number, since it is larger than the sum of its proper divisors (1).

11816087 is an equidigital number, since it uses as much as digits as its factorization.

11816087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 32.

The square root of 11816087 is about 3437.4535633227. The cubic root of 11816087 is about 227.7672229273.

Adding to 11816087 its reverse (78061811), we get a palindrome (89877898).

The spelling of 11816087 in words is "eleven million, eight hundred sixteen thousand, eighty-seven".