1172845046143 has 2 divisors, whose sum is σ = 1172845046144. Its totient is φ = 1172845046142.

The previous prime is 1172845046137. The next prime is 1172845046201. The reversal of 1172845046143 is 3416405482711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1172845046143 - 2¹³ = 1172845037951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1172845046093 and 1172845046102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1172845046743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586422523071 + 586422523072.

It is an arithmetic number, because the mean of its divisors is an integer number (586422523072).

Almost surely, 2^{1172845046143} is an apocalyptic number.

1172845046143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1172845046143 is an equidigital number, since it uses as much as digits as its factorization.

1172845046143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 1172845046143 in words is "one trillion, one hundred seventy-two billion, eight hundred forty-five million, forty-six thousand, one hundred forty-three".