111663543263 has 2 divisors, whose sum is σ = 111663543264. Its totient is φ = 111663543262.

The previous prime is 111663543227. The next prime is 111663543289. The reversal of 111663543263 is 362345366111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111663543263 - 2¹⁰ = 111663542239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111663543263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111663546263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55831771631 + 55831771632.

It is an arithmetic number, because the mean of its divisors is an integer number (55831771632).

Almost surely, 2^111663543263 is an apocalyptic number.

111663543263 is a deficient number, since it is larger than the sum of its proper divisors (1).

111663543263 is an equidigital number, since it uses as much as digits as its factorization.

111663543263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 41.

The spelling of 111663543263 in words is "one hundred eleven billion, six hundred sixty-three million, five hundred forty-three thousand, two hundred sixty-three".