109351936085 has 12 divisors (see below), whose sum is σ = 152646376428. Its totient is φ = 74984184576.

The previous prime is 109351936073. The next prime is 109351936087. The reversal of 109351936085 is 580639153901.

It can be written as a sum of positive squares in 2 ways, for example, as 83696225809 + 25655710276 = 289303^2 + 160174^2 .

It is not a de Polignac number, because 109351936085 - 2⁶ = 109351936021 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109351936087) 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 in 11 ways as a sum of consecutive naturals, for example, 223166972 + ... + 223167461.

It is an arithmetic number, because the mean of its divisors is an integer number (12720531369).

Almost surely, 2^109351936085 is an apocalyptic number.

It is an amenable number.

109351936085 is a deficient number, since it is larger than the sum of its proper divisors (43294440343).

109351936085 is an equidigital number, since it uses as much as digits as its factorization.

109351936085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446334452 (or 446334445 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 50.

The spelling of 109351936085 in words is "one hundred nine billion, three hundred fifty-one million, nine hundred thirty-six thousand, eighty-five".