11138087 has 2 divisors, whose sum is σ = 11138088. Its totient is φ = 11138086.

The previous prime is 11138069. The next prime is 11138093. The reversal of 11138087 is 78083111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11138087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11138287) 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, 5569043 + 5569044.

It is an arithmetic number, because the mean of its divisors is an integer number (5569044).

Almost surely, 2^11138087 is an apocalyptic number.

11138087 is a deficient number, since it is larger than the sum of its proper divisors (1).

11138087 is an equidigital number, since it uses as much as digits as its factorization.

11138087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 29.

The square root of 11138087 is about 3337.3772636608. The cubic root of 11138087 is about 223.3247562360.

The spelling of 11138087 in words is "eleven million, one hundred thirty-eight thousand, eighty-seven".