11873111 has 2 divisors, whose sum is σ = 11873112. Its totient is φ = 11873110.

The previous prime is 11873087. The next prime is 11873131. The reversal of 11873111 is 11137811.

It is a strong prime.

It is an emirp because it is prime and its reverse (11137811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11873111 - 2¹⁴ = 11856727 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11873131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5936555 + 5936556.

It is an arithmetic number, because the mean of its divisors is an integer number (5936556).

Almost surely, 2^11873111 is an apocalyptic number.

11873111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11873111 is an equidigital number, since it uses as much as digits as its factorization.

11873111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168, while the sum is 23.

The square root of 11873111 is about 3445.7380921945. The cubic root of 11873111 is about 228.1330338323.

The spelling of 11873111 in words is "eleven million, eight hundred seventy-three thousand, one hundred eleven".