1108938333809 has 2 divisors, whose sum is σ = 1108938333810. Its totient is φ = 1108938333808.

The previous prime is 1108938333799. The next prime is 1108938333823. The reversal of 1108938333809 is 9083338398011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1012382093584 + 96556240225 = 1006172^2 + 310735^2 .

It is a cyclic number.

It is not a de Polignac number, because 1108938333809 - 2⁴ = 1108938333793 is a prime.

It is a super-2 number, since 2×1108938333809² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1108938333869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554469166904 + 554469166905.

It is an arithmetic number, because the mean of its divisors is an integer number (554469166905).

Almost surely, 2^{1108938333809} is an apocalyptic number.

It is an amenable number.

1108938333809 is a deficient number, since it is larger than the sum of its proper divisors (1).

1108938333809 is an equidigital number, since it uses as much as digits as its factorization.

1108938333809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3359232, while the sum is 56.

The spelling of 1108938333809 in words is "one trillion, one hundred eight billion, nine hundred thirty-eight million, three hundred thirty-three thousand, eight hundred nine".