109815853 has 8 divisors (see below), whose sum is σ = 125580672. Its totient is φ = 94070256.

The previous prime is 109815847. The next prime is 109815899. The reversal of 109815853 is 358518901.

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

It is not a de Polignac number, because 109815853 - 2¹³ = 109807661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109815803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10851 + ... + 18367.

It is an arithmetic number, because the mean of its divisors is an integer number (15697584).

Almost surely, 2^109815853 is an apocalyptic number.

It is an amenable number.

109815853 is a deficient number, since it is larger than the sum of its proper divisors (15764819).

109815853 is an equidigital number, since it uses as much as digits as its factorization.

109815853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9611.

The product of its (nonzero) digits is 43200, while the sum is 40.

The square root of 109815853 is about 10479.3059407577. The cubic root of 109815853 is about 478.8744649768.

The spelling of 109815853 in words is "one hundred nine million, eight hundred fifteen thousand, eight hundred fifty-three".