11162087 has 2 divisors, whose sum is σ = 11162088. Its totient is φ = 11162086.

The previous prime is 11162083. The next prime is 11162093. The reversal of 11162087 is 78026111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11162087 - 2² = 11162083 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11162083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5581043 + 5581044.

It is an arithmetic number, because the mean of its divisors is an integer number (5581044).

Almost surely, 2^11162087 is an apocalyptic number.

11162087 is a deficient number, since it is larger than the sum of its proper divisors (1).

11162087 is an equidigital number, since it uses as much as digits as its factorization.

11162087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 11162087 is about 3340.9709666503. The cubic root of 11162087 is about 223.4850455522.

Adding to 11162087 its reverse (78026111), we get a palindrome (89188198).

The spelling of 11162087 in words is "eleven million, one hundred sixty-two thousand, eighty-seven".