11187675871 has 2 divisors, whose sum is σ = 11187675872. Its totient is φ = 11187675870.

The previous prime is 11187675859. The next prime is 11187675899. The reversal of 11187675871 is 17857678111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11187675871 - 2²⁹ = 10650804959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11187675671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5593837935 + 5593837936.

It is an arithmetic number, because the mean of its divisors is an integer number (5593837936).

Almost surely, 2^11187675871 is an apocalyptic number.

11187675871 is a deficient number, since it is larger than the sum of its proper divisors (1).

11187675871 is an equidigital number, since it uses as much as digits as its factorization.

11187675871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 658560, while the sum is 52.

The spelling of 11187675871 in words is "eleven billion, one hundred eighty-seven million, six hundred seventy-five thousand, eight hundred seventy-one".