111363111061 has 2 divisors, whose sum is σ = 111363111062. Its totient is φ = 111363111060.

The previous prime is 111363111053. The next prime is 111363111109. The reversal of 111363111061 is 160111363111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92674580625 + 18688530436 = 304425^2 + 136706^2 .

It is a cyclic number.

It is not a de Polignac number, because 111363111061 - 2³ = 111363111053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111363111001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55681555530 + 55681555531.

It is an arithmetic number, because the mean of its divisors is an integer number (55681555531).

Almost surely, 2^111363111061 is an apocalyptic number.

It is an amenable number.

111363111061 is a deficient number, since it is larger than the sum of its proper divisors (1).

111363111061 is an equidigital number, since it uses as much as digits as its factorization.

111363111061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 25.

Adding to 111363111061 its reverse (160111363111), we get a palindrome (271474474172).

The spelling of 111363111061 in words is "one hundred eleven billion, three hundred sixty-three million, one hundred eleven thousand, sixty-one".