111706769873 has 2 divisors, whose sum is σ = 111706769874. Its totient is φ = 111706769872.

The previous prime is 111706769831. The next prime is 111706769887. The reversal of 111706769873 is 378967607111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90422294209 + 21284475664 = 300703^2 + 145892^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111706769873 is a prime.

It is a super-2 number, since 2×111706769873² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (111706769813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55853384936 + 55853384937.

It is an arithmetic number, because the mean of its divisors is an integer number (55853384937).

Almost surely, 2^111706769873 is an apocalyptic number.

It is an amenable number.

111706769873 is a deficient number, since it is larger than the sum of its proper divisors (1).

111706769873 is an equidigital number, since it uses as much as digits as its factorization.

111706769873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2667168, while the sum is 56.

The spelling of 111706769873 in words is "one hundred eleven billion, seven hundred six million, seven hundred sixty-nine thousand, eight hundred seventy-three".