111605646367 has 2 divisors, whose sum is σ = 111605646368. Its totient is φ = 111605646366.

The previous prime is 111605646343. The next prime is 111605646401. The reversal of 111605646367 is 763646506111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111605646367 - 2²⁷ = 111471428639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111605646337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55802823183 + 55802823184.

It is an arithmetic number, because the mean of its divisors is an integer number (55802823184).

Almost surely, 2^111605646367 is an apocalyptic number.

111605646367 is a deficient number, since it is larger than the sum of its proper divisors (1).

111605646367 is an equidigital number, since it uses as much as digits as its factorization.

111605646367 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 111605646367 in words is "one hundred eleven billion, six hundred five million, six hundred forty-six thousand, three hundred sixty-seven".