1128969421417 has 2 divisors, whose sum is σ = 1128969421418. Its totient is φ = 1128969421416.

The previous prime is 1128969421387. The next prime is 1128969421471. The reversal of 1128969421417 is 7141249698211.

Together with next prime (1128969421471) 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., 936367810921 + 192601610496 = 967661^2 + 438864^2 .

It is a cyclic number.

It is not a de Polignac number, because 1128969421417 - 2⁷ = 1128969421289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1128969421487) 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, 564484710708 + 564484710709.

It is an arithmetic number, because the mean of its divisors is an integer number (564484710709).

Almost surely, 2^{1128969421417} is an apocalyptic number.

It is an amenable number.

1128969421417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128969421417 is an equidigital number, since it uses as much as digits as its factorization.

1128969421417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 55.

The spelling of 1128969421417 in words is "one trillion, one hundred twenty-eight billion, nine hundred sixty-nine million, four hundred twenty-one thousand, four hundred seventeen".