1109996026813 has 2 divisors, whose sum is σ = 1109996026814. Its totient is φ = 1109996026812.

The previous prime is 1109996026807. The next prime is 1109996026831. The reversal of 1109996026813 is 3186206999011.

Together with next prime (1109996026831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 981916500889 + 128079525924 = 990917^2 + 357882^2 .

It is a cyclic number.

It is not a de Polignac number, because 1109996026813 - 2²⁹ = 1109459155901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1109996026213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554998013406 + 554998013407.

It is an arithmetic number, because the mean of its divisors is an integer number (554998013407).

Almost surely, 2^{1109996026813} is an apocalyptic number.

It is an amenable number.

1109996026813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109996026813 is an equidigital number, since it uses as much as digits as its factorization.

1109996026813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1259712, while the sum is 55.

The spelling of 1109996026813 in words is "one trillion, one hundred nine billion, nine hundred ninety-six million, twenty-six thousand, eight hundred thirteen".