11806715171 has 2 divisors, whose sum is σ = 11806715172. Its totient is φ = 11806715170.

The previous prime is 11806715119. The next prime is 11806715213. The reversal of 11806715171 is 17151760811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11806715171 - 2²² = 11802520867 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11806715071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5903357585 + 5903357586.

It is an arithmetic number, because the mean of its divisors is an integer number (5903357586).

Almost surely, 2^11806715171 is an apocalyptic number.

11806715171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11806715171 is an equidigital number, since it uses as much as digits as its factorization.

11806715171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 38.

The spelling of 11806715171 in words is "eleven billion, eight hundred six million, seven hundred fifteen thousand, one hundred seventy-one".