111161123063 has 2 divisors, whose sum is σ = 111161123064. Its totient is φ = 111161123062.

The previous prime is 111161123027. The next prime is 111161123077. The reversal of 111161123063 is 360321161111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111161123063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111161123663) 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, 55580561531 + 55580561532.

It is an arithmetic number, because the mean of its divisors is an integer number (55580561532).

Almost surely, 2^111161123063 is an apocalyptic number.

111161123063 is a deficient number, since it is larger than the sum of its proper divisors (1).

111161123063 is an equidigital number, since it uses as much as digits as its factorization.

111161123063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

Adding to 111161123063 its reverse (360321161111), we get a palindrome (471482284174).

The spelling of 111161123063 in words is "one hundred eleven billion, one hundred sixty-one million, one hundred twenty-three thousand, sixty-three".