18011011094617 has 2 divisors, whose sum is σ = 18011011094618. Its totient is φ = 18011011094616.

The previous prime is 18011011094599. The next prime is 18011011094761. The reversal of 18011011094617 is 71649011011081.

Together with next prime (18011011094761) 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., 17964873773001 + 46137321616 = 4238499^2 + 214796^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18011011094617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18011011094617.

It is not a weakly prime, because it can be changed into another prime (18011011094017) 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, 9005505547308 + 9005505547309.

It is an arithmetic number, because the mean of its divisors is an integer number (9005505547309).

Almost surely, 2^{18011011094617} is an apocalyptic number.

It is an amenable number.

18011011094617 is a deficient number, since it is larger than the sum of its proper divisors (1).

18011011094617 is an equidigital number, since it uses as much as digits as its factorization.

18011011094617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 40.

The spelling of 18011011094617 in words is "eighteen trillion, eleven billion, eleven million, ninety-four thousand, six hundred seventeen".