111381735106717 has 2 divisors, whose sum is σ = 111381735106718. Its totient is φ = 111381735106716.

The previous prime is 111381735106699. The next prime is 111381735106753. The reversal of 111381735106717 is 717601537183111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111241191844836 + 140543261881 = 10547094^2 + 374891^2 .

It is a cyclic number.

It is not a de Polignac number, because 111381735106717 - 2³¹ = 111379587623069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111381735106757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55690867553358 + 55690867553359.

It is an arithmetic number, because the mean of its divisors is an integer number (55690867553359).

Almost surely, 2^{111381735106717} is an apocalyptic number.

It is an amenable number.

111381735106717 is a deficient number, since it is larger than the sum of its proper divisors (1).

111381735106717 is an equidigital number, since it uses as much as digits as its factorization.

111381735106717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 740880, while the sum is 52.

The spelling of 111381735106717 in words is "one hundred eleven trillion, three hundred eighty-one billion, seven hundred thirty-five million, one hundred six thousand, seven hundred seventeen".