111128967193 has 2 divisors, whose sum is σ = 111128967194. Its totient is φ = 111128967192.

The previous prime is 111128967151. The next prime is 111128967199. The reversal of 111128967193 is 391769821111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100360339209 + 10768627984 = 316797^2 + 103772^2 .

It is a cyclic number.

It is not a de Polignac number, because 111128967193 - 2⁹ = 111128966681 is a prime.

It is not a weakly prime, because it can be changed into another prime (111128967199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55564483596 + 55564483597.

It is an arithmetic number, because the mean of its divisors is an integer number (55564483597).

Almost surely, 2^111128967193 is an apocalyptic number.

It is an amenable number.

111128967193 is a deficient number, since it is larger than the sum of its proper divisors (1).

111128967193 is an equidigital number, since it uses as much as digits as its factorization.

111128967193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 49.

The spelling of 111128967193 in words is "one hundred eleven billion, one hundred twenty-eight million, nine hundred sixty-seven thousand, one hundred ninety-three".