1109467122817 has 2 divisors, whose sum is σ = 1109467122818. Its totient is φ = 1109467122816.

The previous prime is 1109467122811. The next prime is 1109467122821. The reversal of 1109467122817 is 7182217649011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1102518900081 + 6948222736 = 1050009^2 + 83356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1109467122817 is a prime.

It is a super-2 number, since 2×1109467122817² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1109467122811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554733561408 + 554733561409.

It is an arithmetic number, because the mean of its divisors is an integer number (554733561409).

Almost surely, 2^{1109467122817} is an apocalyptic number.

It is an amenable number.

1109467122817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109467122817 is an equidigital number, since it uses as much as digits as its factorization.

1109467122817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 49.

The spelling of 1109467122817 in words is "one trillion, one hundred nine billion, four hundred sixty-seven million, one hundred twenty-two thousand, eight hundred seventeen".