1108620559993 has 4 divisors (see below), whose sum is σ = 1109244433780. Its totient is φ = 1107996686208.

The previous prime is 1108620559987. The next prime is 1108620560039. The reversal of 1108620559993 is 3999550268011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 284171087929 + 824449472064 = 533077^2 + 907992^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1108620559993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1108620559903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311934228 + ... + 311937781.

It is an arithmetic number, because the mean of its divisors is an integer number (277311108445).

Almost surely, 2^{1108620559993} is an apocalyptic number.

It is an amenable number.

1108620559993 is a deficient number, since it is larger than the sum of its proper divisors (623873787).

1108620559993 is an equidigital number, since it uses as much as digits as its factorization.

1108620559993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623873786.

The product of its (nonzero) digits is 5248800, while the sum is 58.

The spelling of 1108620559993 in words is "one trillion, one hundred eight billion, six hundred twenty million, five hundred fifty-nine thousand, nine hundred ninety-three".