1112545326161 has 2 divisors, whose sum is σ = 1112545326162. Its totient is φ = 1112545326160.

The previous prime is 1112545326157. The next prime is 1112545326209. The reversal of 1112545326161 is 1616235452111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 600346032400 + 512199293761 = 774820^2 + 715681^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112545326161 - 2² = 1112545326157 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112545326961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556272663080 + 556272663081.

It is an arithmetic number, because the mean of its divisors is an integer number (556272663081).

Almost surely, 2^{1112545326161} is an apocalyptic number.

It is an amenable number.

1112545326161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112545326161 is an equidigital number, since it uses as much as digits as its factorization.

1112545326161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 38.

The spelling of 1112545326161 in words is "one trillion, one hundred twelve billion, five hundred forty-five million, three hundred twenty-six thousand, one hundred sixty-one".