1089867097117 has 2 divisors, whose sum is σ = 1089867097118. Its totient is φ = 1089867097116.

The previous prime is 1089867097087. The next prime is 1089867097129. The reversal of 1089867097117 is 7117907689801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 616019347161 + 473847749956 = 784869^2 + 688366^2 .

It is a cyclic number.

It is not a de Polignac number, because 1089867097117 - 2¹¹ = 1089867095069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1089867097157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544933548558 + 544933548559.

It is an arithmetic number, because the mean of its divisors is an integer number (544933548559).

Almost surely, 2^{1089867097117} is an apocalyptic number.

It is an amenable number.

1089867097117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089867097117 is an equidigital number, since it uses as much as digits as its factorization.

1089867097117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10668672, while the sum is 64.

The spelling of 1089867097117 in words is "one trillion, eighty-nine billion, eight hundred sixty-seven million, ninety-seven thousand, one hundred seventeen".