1173543134671 has 4 divisors (see below), whose sum is σ = 1174401616752. Its totient is φ = 1172684652592.

The previous prime is 1173543134669. The next prime is 1173543134711. The reversal of 1173543134671 is 1764313453711.

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 1173543134671 - 2¹ = 1173543134669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1173543144671) 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, 429238990 + ... + 429241723.

It is an arithmetic number, because the mean of its divisors is an integer number (293600404188).

Almost surely, 2^{1173543134671} is an apocalyptic number.

1173543134671 is a deficient number, since it is larger than the sum of its proper divisors (858482081).

1173543134671 is an equidigital number, since it uses as much as digits as its factorization.

1173543134671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858482080.

The product of its digits is 635040, while the sum is 46.

The spelling of 1173543134671 in words is "one trillion, one hundred seventy-three billion, five hundred forty-three million, one hundred thirty-four thousand, six hundred seventy-one".