109159786205 has 8 divisors (see below), whose sum is σ = 131026912512. Its totient is φ = 87304382928.

The previous prime is 109159786199. The next prime is 109159786207. The reversal of 109159786205 is 502687951901.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109159786205 - 2⁴ = 109159786189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109159786207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2910257 + ... + 2947526.

It is an arithmetic number, because the mean of its divisors is an integer number (16378364064).

Almost surely, 2^109159786205 is an apocalyptic number.

It is an amenable number.

109159786205 is a deficient number, since it is larger than the sum of its proper divisors (21867126307).

109159786205 is an equidigital number, since it uses as much as digits as its factorization.

109159786205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5861515.

The product of its (nonzero) digits is 1360800, while the sum is 53.

The spelling of 109159786205 in words is "one hundred nine billion, one hundred fifty-nine million, seven hundred eighty-six thousand, two hundred five".