11746817171 has 4 divisors (see below), whose sum is σ = 11747209032. Its totient is φ = 11746425312.

The previous prime is 11746817161. The next prime is 11746817191. The reversal of 11746817171 is 17171864711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17171864711 = 117319 ⋅146369.

It is a cyclic number.

It is not a de Polignac number, because 11746817171 - 2⁶ = 11746817107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11746817161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146870 + ... + 212283.

It is an arithmetic number, because the mean of its divisors is an integer number (2936802258).

Almost surely, 2^11746817171 is an apocalyptic number.

11746817171 is a deficient number, since it is larger than the sum of its proper divisors (391861).

11746817171 is an equidigital number, since it uses as much as digits as its factorization.

11746817171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391860.

The product of its digits is 65856, while the sum is 44.

The spelling of 11746817171 in words is "eleven billion, seven hundred forty-six million, eight hundred seventeen thousand, one hundred seventy-one".