11056550171 has 2 divisors, whose sum is σ = 11056550172. Its totient is φ = 11056550170.

The previous prime is 11056550161. The next prime is 11056550177. The reversal of 11056550171 is 17105565011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11056550171 - 2⁶ = 11056550107 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11056550177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5528275085 + 5528275086.

It is an arithmetic number, because the mean of its divisors is an integer number (5528275086).

Almost surely, 2^11056550171 is an apocalyptic number.

11056550171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11056550171 is an equidigital number, since it uses as much as digits as its factorization.

11056550171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5250, while the sum is 32.

The spelling of 11056550171 in words is "eleven billion, fifty-six million, five hundred fifty thousand, one hundred seventy-one".