1108952231693 has 2 divisors, whose sum is σ = 1108952231694. Its totient is φ = 1108952231692.

The previous prime is 1108952231627. The next prime is 1108952231701. The reversal of 1108952231693 is 3961322598011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 869065824169 + 239886407524 = 932237^2 + 489782^2 .

It is an emirp because it is prime and its reverse (3961322598011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1108952231693 - 2¹² = 1108952227597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1108952233693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554476115846 + 554476115847.

It is an arithmetic number, because the mean of its divisors is an integer number (554476115847).

Almost surely, 2^{1108952231693} is an apocalyptic number.

It is an amenable number.

1108952231693 is a deficient number, since it is larger than the sum of its proper divisors (1).

1108952231693 is an equidigital number, since it uses as much as digits as its factorization.

1108952231693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 1108952231693 in words is "one trillion, one hundred eight billion, nine hundred fifty-two million, two hundred thirty-one thousand, six hundred ninety-three".