11189687 has 2 divisors, whose sum is σ = 11189688. Its totient is φ = 11189686.

The previous prime is 11189681. The next prime is 11189693. The reversal of 11189687 is 78698111.

It is a balanced prime because it is at equal distance from previous prime (11189681) and next prime (11189693).

It is a cyclic number.

It is not a de Polignac number, because 11189687 - 2⁶ = 11189623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11189681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5594843 + 5594844.

It is an arithmetic number, because the mean of its divisors is an integer number (5594844).

Almost surely, 2^11189687 is an apocalyptic number.

11189687 is a deficient number, since it is larger than the sum of its proper divisors (1).

11189687 is an equidigital number, since it uses as much as digits as its factorization.

11189687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 41.

The square root of 11189687 is about 3345.0989521986. The cubic root of 11189687 is about 223.6690944759.

It can be divided in two parts, 111 and 89687, that added together give a palindrome (89798).

The spelling of 11189687 in words is "eleven million, one hundred eighty-nine thousand, six hundred eighty-seven".