11940889534169 has 2 divisors, whose sum is σ = 11940889534170. Its totient is φ = 11940889534168.

The previous prime is 11940889534159. The next prime is 11940889534229. The reversal of 11940889534169 is 96143598804911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8382252524944 + 3558637009225 = 2895212^2 + 1886435^2 .

It is a cyclic number.

It is not a de Polignac number, because 11940889534169 - 2¹⁶ = 11940889468633 is a prime.

It is a super-2 number, since 2×11940889534169² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11940889534099 and 11940889534108.

It is not a weakly prime, because it can be changed into another prime (11940889534129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5970444767084 + 5970444767085.

It is an arithmetic number, because the mean of its divisors is an integer number (5970444767085).

Almost surely, 2^{11940889534169} is an apocalyptic number.

It is an amenable number.

11940889534169 is a deficient number, since it is larger than the sum of its proper divisors (1).

11940889534169 is an equidigital number, since it uses as much as digits as its factorization.

11940889534169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67184640, while the sum is 68.

The spelling of 11940889534169 in words is "eleven trillion, nine hundred forty billion, eight hundred eighty-nine million, five hundred thirty-four thousand, one hundred sixty-nine".