111686012341 has 2 divisors, whose sum is σ = 111686012342. Its totient is φ = 111686012340.

The previous prime is 111686012309. The next prime is 111686012371. The reversal of 111686012341 is 143210686111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100792915441 + 10893096900 = 317479^2 + 104370^2 .

It is a cyclic number.

It is not a de Polignac number, because 111686012341 - 2⁵ = 111686012309 is a prime.

It is a super-3 number, since 3×111686012341³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111686012297 and 111686012306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111686012371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55843006170 + 55843006171.

It is an arithmetic number, because the mean of its divisors is an integer number (55843006171).

Almost surely, 2^111686012341 is an apocalyptic number.

It is an amenable number.

111686012341 is a deficient number, since it is larger than the sum of its proper divisors (1).

111686012341 is an equidigital number, since it uses as much as digits as its factorization.

111686012341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 34.

Adding to 111686012341 its reverse (143210686111), we get a palindrome (254896698452).

The spelling of 111686012341 in words is "one hundred eleven billion, six hundred eighty-six million, twelve thousand, three hundred forty-one".