109416505 has 16 divisors (see below), whose sum is σ = 151663104. Its totient is φ = 74894080.

The previous prime is 109416487. The next prime is 109416509. The reversal of 109416505 is 505614901.

It is not a de Polignac number, because 109416505 - 2¹¹ = 109414457 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109416509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57577 + ... + 59446.

It is an arithmetic number, because the mean of its divisors is an integer number (9478944).

Almost surely, 2^109416505 is an apocalyptic number.

It is an amenable number.

109416505 is a deficient number, since it is larger than the sum of its proper divisors (42246599).

109416505 is a wasteful number, since it uses less digits than its factorization.

109416505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117056.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 109416505 is about 10460.2344619994. The cubic root of 109416505 is about 478.2932803925.

It can be divided in two parts, 109 and 416505, that added together give a palindrome (416614).

The spelling of 109416505 in words is "one hundred nine million, four hundred sixteen thousand, five hundred five".