1112345790509 has 2 divisors, whose sum is σ = 1112345790510. Its totient is φ = 1112345790508.

The previous prime is 1112345790503. The next prime is 1112345790539. The reversal of 1112345790509 is 9050975432111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 914467613284 + 197878177225 = 956278^2 + 444835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112345790509 is a prime.

It is a super-2 number, since 2×1112345790509² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112345790503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556172895254 + 556172895255.

It is an arithmetic number, because the mean of its divisors is an integer number (556172895255).

Almost surely, 2^{1112345790509} is an apocalyptic number.

It is an amenable number.

1112345790509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112345790509 is an equidigital number, since it uses as much as digits as its factorization.

1112345790509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 340200, while the sum is 47.

The spelling of 1112345790509 in words is "one trillion, one hundred twelve billion, three hundred forty-five million, seven hundred ninety thousand, five hundred nine".