1112345790209 has 2 divisors, whose sum is σ = 1112345790210. Its totient is φ = 1112345790208.

The previous prime is 1112345790197. The next prime is 1112345790233. The reversal of 1112345790209 is 9020975432111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 558404980225 + 553940809984 = 747265^2 + 744272^2 .

It is an emirp because it is prime and its reverse (9020975432111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1112345790209 - 2¹² = 1112345786113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1112345790209.

It is not a weakly prime, because it can be changed into another prime (1112345790509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556172895104 + 556172895105.

It is an arithmetic number, because the mean of its divisors is an integer number (556172895105).

Almost surely, 2^{1112345790209} is an apocalyptic number.

It is an amenable number.

1112345790209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112345790209 is an equidigital number, since it uses as much as digits as its factorization.

1112345790209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 1112345790209 in words is "one trillion, one hundred twelve billion, three hundred forty-five million, seven hundred ninety thousand, two hundred nine".