1022117555609 has 2 divisors, whose sum is σ = 1022117555610. Its totient is φ = 1022117555608.

The previous prime is 1022117555593. The next prime is 1022117555621. The reversal of 1022117555609 is 9065557112201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 745286890000 + 276830665609 = 863300^2 + 526147^2 .

It is an emirp because it is prime and its reverse (9065557112201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1022117555609 - 2⁴ = 1022117555593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1022117555609.

It is not a weakly prime, because it can be changed into another prime (1022117555909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511058777804 + 511058777805.

It is an arithmetic number, because the mean of its divisors is an integer number (511058777805).

Almost surely, 2^{1022117555609} is an apocalyptic number.

It is an amenable number.

1022117555609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022117555609 is an equidigital number, since it uses as much as digits as its factorization.

1022117555609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189000, while the sum is 44.

The spelling of 1022117555609 in words is "one trillion, twenty-two billion, one hundred seventeen million, five hundred fifty-five thousand, six hundred nine".