1180393820813 has 2 divisors, whose sum is σ = 1180393820814. Its totient is φ = 1180393820812.

The previous prime is 1180393820783. The next prime is 1180393820819. The reversal of 1180393820813 is 3180283930811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1161249777769 + 19144043044 = 1077613^2 + 138362^2 .

It is a cyclic number.

It is not a de Polignac number, because 1180393820813 - 2³⁴ = 1163213951629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1180393820819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 590196910406 + 590196910407.

It is an arithmetic number, because the mean of its divisors is an integer number (590196910407).

Almost surely, 2^{1180393820813} is an apocalyptic number.

It is an amenable number.

1180393820813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1180393820813 is an equidigital number, since it uses as much as digits as its factorization.

1180393820813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 47.

The spelling of 1180393820813 in words is "one trillion, one hundred eighty billion, three hundred ninety-three million, eight hundred twenty thousand, eight hundred thirteen".