11195887 has 2 divisors, whose sum is σ = 11195888. Its totient is φ = 11195886.

The previous prime is 11195881. The next prime is 11195893. The reversal of 11195887 is 78859111.

It is a balanced prime because it is at equal distance from previous prime (11195881) and next prime (11195893).

It is a cyclic number.

It is not a de Polignac number, because 11195887 - 2⁷ = 11195759 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 (11195881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5597943 + 5597944.

It is an arithmetic number, because the mean of its divisors is an integer number (5597944).

Almost surely, 2^11195887 is an apocalyptic number.

11195887 is a deficient number, since it is larger than the sum of its proper divisors (1).

11195887 is an equidigital number, since it uses as much as digits as its factorization.

11195887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 40.

The square root of 11195887 is about 3346.0255528014. The cubic root of 11195887 is about 223.7103971605.

The spelling of 11195887 in words is "eleven million, one hundred ninety-five thousand, eight hundred eighty-seven".