1173993010171 has 4 divisors (see below), whose sum is σ = 1243051422552. Its totient is φ = 1104934597792.

The previous prime is 1173993010163. The next prime is 1173993010193. The reversal of 1173993010171 is 1710103993711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1173993010171 - 2³ = 1173993010163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1173993010471) 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, 34529206165 + ... + 34529206198.

It is an arithmetic number, because the mean of its divisors is an integer number (310762855638).

Almost surely, 2^{1173993010171} is an apocalyptic number.

1173993010171 is a deficient number, since it is larger than the sum of its proper divisors (69058412381).

1173993010171 is an equidigital number, since it uses as much as digits as its factorization.

1173993010171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69058412380.

The product of its (nonzero) digits is 35721, while the sum is 43.

The spelling of 1173993010171 in words is "one trillion, one hundred seventy-three billion, nine hundred ninety-three million, ten thousand, one hundred seventy-one".