109501289218 has 12 divisors (see below), whose sum is σ = 164978853462. Its totient is φ = 54509401040.

The previous prime is 109501289173. The next prime is 109501289221. The reversal of 109501289218 is 812982105901.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 91012632489 + 18488656729 = 301683^2 + 135973^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 428203 + ... + 634318.

Almost surely, 2^109501289218 is an apocalyptic number.

109501289218 is a deficient number, since it is larger than the sum of its proper divisors (55477564244).

109501289218 is an equidigital number, since it uses as much as digits as its factorization.

109501289218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062977 (or 1062750 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 46.

The spelling of 109501289218 in words is "one hundred nine billion, five hundred one million, two hundred eighty-nine thousand, two hundred eighteen".