11385887 has 2 divisors, whose sum is σ = 11385888. Its totient is φ = 11385886.

The previous prime is 11385877. The next prime is 11385889. The reversal of 11385887 is 78858311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11385887 is a prime.

Together with 11385889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11385889) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5692943 + 5692944.

It is an arithmetic number, because the mean of its divisors is an integer number (5692944).

Almost surely, 2^11385887 is an apocalyptic number.

11385887 is a deficient number, since it is larger than the sum of its proper divisors (1).

11385887 is an equidigital number, since it uses as much as digits as its factorization.

11385887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 41.

The square root of 11385887 is about 3374.2980010663. The cubic root of 11385887 is about 224.9687989657.

The spelling of 11385887 in words is "eleven million, three hundred eighty-five thousand, eight hundred eighty-seven".