109321678115 has 24 divisors (see below), whose sum is σ = 142273762848. Its totient is φ = 80604675840.

The previous prime is 109321678111. The next prime is 109321678129. The reversal of 109321678115 is 511876123901.

It is not a de Polignac number, because 109321678115 - 2² = 109321678111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109321678111) 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 23 ways as a sum of consecutive naturals, for example, 446735 + ... + 646695.

It is an arithmetic number, because the mean of its divisors is an integer number (5928073452).

Almost surely, 2^109321678115 is an apocalyptic number.

109321678115 is a deficient number, since it is larger than the sum of its proper divisors (32952084733).

109321678115 is a wasteful number, since it uses less digits than its factorization.

109321678115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200639 (or 200626 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 44.

The spelling of 109321678115 in words is "one hundred nine billion, three hundred twenty-one million, six hundred seventy-eight thousand, one hundred fifteen".