111420046194577 has 2 divisors, whose sum is σ = 111420046194578. Its totient is φ = 111420046194576.

The previous prime is 111420046194563. The next prime is 111420046194601. The reversal of 111420046194577 is 775491640024111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94249166656401 + 17170879538176 = 9708201^2 + 4143776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111420046194577 is a prime.

It is not a weakly prime, because it can be changed into another prime (111420046294577) 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, 55710023097288 + 55710023097289.

It is an arithmetic number, because the mean of its divisors is an integer number (55710023097289).

Almost surely, 2^{111420046194577} is an apocalyptic number.

It is an amenable number.

111420046194577 is a deficient number, since it is larger than the sum of its proper divisors (1).

111420046194577 is an equidigital number, since it uses as much as digits as its factorization.

111420046194577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 111420046194577 in words is "one hundred eleven trillion, four hundred twenty billion, forty-six million, one hundred ninety-four thousand, five hundred seventy-seven".