1178395061743 has 2 divisors, whose sum is σ = 1178395061744. Its totient is φ = 1178395061742.

The previous prime is 1178395061689. The next prime is 1178395061759. The reversal of 1178395061743 is 3471605938711.

It is a strong prime.

It is an emirp because it is prime and its reverse (3471605938711) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1178395061743 is a prime.

It is a super-2 number, since 2×1178395061743² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1178395061443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 589197530871 + 589197530872.

It is an arithmetic number, because the mean of its divisors is an integer number (589197530872).

Almost surely, 2^{1178395061743} is an apocalyptic number.

1178395061743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1178395061743 is an equidigital number, since it uses as much as digits as its factorization.

1178395061743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The spelling of 1178395061743 in words is "one trillion, one hundred seventy-eight billion, three hundred ninety-five million, sixty-one thousand, seven hundred forty-three".