111605646343 has 2 divisors, whose sum is σ = 111605646344. Its totient is φ = 111605646342.

The previous prime is 111605646337. The next prime is 111605646367. The reversal of 111605646343 is 343646506111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111605646343 - 2⁵ = 111605646311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111605646296 and 111605646305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111605646043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55802823171 + 55802823172.

It is an arithmetic number, because the mean of its divisors is an integer number (55802823172).

Almost surely, 2^111605646343 is an apocalyptic number.

111605646343 is a deficient number, since it is larger than the sum of its proper divisors (1).

111605646343 is an equidigital number, since it uses as much as digits as its factorization.

111605646343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 111605646343 in words is "one hundred eleven billion, six hundred five million, six hundred forty-six thousand, three hundred forty-three".