109285211285 has 8 divisors (see below), whose sum is σ = 131269458816. Its totient is φ = 87343365520.

The previous prime is 109285211281. The next prime is 109285211333. The reversal of 109285211285 is 582112582901.

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

It is not a de Polignac number, because 109285211285 - 2² = 109285211281 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109285211281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10594769 + ... + 10605078.

It is an arithmetic number, because the mean of its divisors is an integer number (16408682352).

Almost surely, 2^109285211285 is an apocalyptic number.

It is an amenable number.

109285211285 is a deficient number, since it is larger than the sum of its proper divisors (21984247531).

109285211285 is a wasteful number, since it uses less digits than its factorization.

109285211285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21200883.

The product of its (nonzero) digits is 115200, while the sum is 44.

The spelling of 109285211285 in words is "one hundred nine billion, two hundred eighty-five million, two hundred eleven thousand, two hundred eighty-five".