1183617317243 has 2 divisors, whose sum is σ = 1183617317244. Its totient is φ = 1183617317242.

The previous prime is 1183617317189. The next prime is 1183617317249. The reversal of 1183617317243 is 3427137163811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1183617317243 - 2¹² = 1183617313147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1183617317249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 591808658621 + 591808658622.

It is an arithmetic number, because the mean of its divisors is an integer number (591808658622).

Almost surely, 2^{1183617317243} is an apocalyptic number.

1183617317243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1183617317243 is an equidigital number, since it uses as much as digits as its factorization.

1183617317243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 47.

The spelling of 1183617317243 in words is "one trillion, one hundred eighty-three billion, six hundred seventeen million, three hundred seventeen thousand, two hundred forty-three".