11161344748889 has 2 divisors, whose sum is σ = 11161344748890. Its totient is φ = 11161344748888.

The previous prime is 11161344748837. The next prime is 11161344748913. The reversal of 11161344748889 is 98884744316111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8944238638864 + 2217106110025 = 2990692^2 + 1488995^2 .

It is a cyclic number.

It is not a de Polignac number, because 11161344748889 - 2⁸ = 11161344748633 is a prime.

It is not a weakly prime, because it can be changed into another prime (11161344748189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5580672374444 + 5580672374445.

It is an arithmetic number, because the mean of its divisors is an integer number (5580672374445).

Almost surely, 2^{11161344748889} is an apocalyptic number.

It is an amenable number.

11161344748889 is a deficient number, since it is larger than the sum of its proper divisors (1).

11161344748889 is an equidigital number, since it uses as much as digits as its factorization.

11161344748889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37158912, while the sum is 65.

The spelling of 11161344748889 in words is "eleven trillion, one hundred sixty-one billion, three hundred forty-four million, seven hundred forty-eight thousand, eight hundred eighty-nine".