111663543301 has 2 divisors, whose sum is σ = 111663543302. Its totient is φ = 111663543300.

The previous prime is 111663543289. The next prime is 111663543353. The reversal of 111663543301 is 103345366111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104475047076 + 7188496225 = 323226^2 + 84785^2 .

It is a cyclic number.

It is not a de Polignac number, because 111663543301 - 2³³ = 103073608709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111663543361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55831771650 + 55831771651.

It is an arithmetic number, because the mean of its divisors is an integer number (55831771651).

Almost surely, 2^111663543301 is an apocalyptic number.

It is an amenable number.

111663543301 is a deficient number, since it is larger than the sum of its proper divisors (1).

111663543301 is an equidigital number, since it uses as much as digits as its factorization.

111663543301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 111663543301 in words is "one hundred eleven billion, six hundred sixty-three million, five hundred forty-three thousand, three hundred one".