11071633171 has 2 divisors, whose sum is σ = 11071633172. Its totient is φ = 11071633170.

The previous prime is 11071633169. The next prime is 11071633213. The reversal of 11071633171 is 17133617011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11071633171 - 2¹ = 11071633169 is a prime.

It is a super-2 number, since 2×11071633171² (a number of 21 digits) contains 22 as substring.

Together with 11071633169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11071633151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5535816585 + 5535816586.

It is an arithmetic number, because the mean of its divisors is an integer number (5535816586).

Almost surely, 2^11071633171 is an apocalyptic number.

11071633171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11071633171 is an equidigital number, since it uses as much as digits as its factorization.

11071633171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 31.

The spelling of 11071633171 in words is "eleven billion, seventy-one million, six hundred thirty-three thousand, one hundred seventy-one".