111411788273369 has 2 divisors, whose sum is σ = 111411788273370. Its totient is φ = 111411788273368.

The previous prime is 111411788273297. The next prime is 111411788273447. The reversal of 111411788273369 is 963372887114111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99474452321344 + 11937335952025 = 9973688^2 + 3455045^2 .

It is a cyclic number.

It is not a de Polignac number, because 111411788273369 - 2³⁶ = 111343068796633 is a prime.

It is a super-2 number, since 2×111411788273369² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111411788273869) 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, 55705894136684 + 55705894136685.

It is an arithmetic number, because the mean of its divisors is an integer number (55705894136685).

Almost surely, 2^{111411788273369} is an apocalyptic number.

It is an amenable number.

111411788273369 is a deficient number, since it is larger than the sum of its proper divisors (1).

111411788273369 is an equidigital number, since it uses as much as digits as its factorization.

111411788273369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12192768, while the sum is 62.

The spelling of 111411788273369 in words is "one hundred eleven trillion, four hundred eleven billion, seven hundred eighty-eight million, two hundred seventy-three thousand, three hundred sixty-nine".