11187101 has 2 divisors, whose sum is σ = 11187102. Its totient is φ = 11187100.

The previous prime is 11187073. The next prime is 11187119. The reversal of 11187101 is 10178111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8940100 + 2247001 = 2990^2 + 1499^2 .

It is an emirp because it is prime and its reverse (10178111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11187101 - 2¹⁸ = 10924957 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11187161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5593550 + 5593551.

It is an arithmetic number, because the mean of its divisors is an integer number (5593551).

Almost surely, 2^11187101 is an apocalyptic number.

It is an amenable number.

11187101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11187101 is an equidigital number, since it uses as much as digits as its factorization.

11187101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 20.

The square root of 11187101 is about 3344.7123942127. The cubic root of 11187101 is about 223.6518627505.

The spelling of 11187101 in words is "eleven million, one hundred eighty-seven thousand, one hundred one".