1171323350993 has 2 divisors, whose sum is σ = 1171323350994. Its totient is φ = 1171323350992.

The previous prime is 1171323350987. The next prime is 1171323351017. The reversal of 1171323350993 is 3990533231711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1084882646929 + 86440704064 = 1041577^2 + 294008^2 .

It is a cyclic number.

It is not a de Polignac number, because 1171323350993 - 2⁶ = 1171323350929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1171323358993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585661675496 + 585661675497.

It is an arithmetic number, because the mean of its divisors is an integer number (585661675497).

Almost surely, 2^{1171323350993} is an apocalyptic number.

It is an amenable number.

1171323350993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1171323350993 is an equidigital number, since it uses as much as digits as its factorization.

1171323350993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 459270, while the sum is 47.

The spelling of 1171323350993 in words is "one trillion, one hundred seventy-one billion, three hundred twenty-three million, three hundred fifty thousand, nine hundred ninety-three".