109509359351 has 16 divisors (see below), whose sum is σ = 126603549504. Its totient is φ = 92783867904.

The previous prime is 109509359243. The next prime is 109509359359. The reversal of 109509359351 is 153953905901.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-109509359351 is a prime.

It is a super-2 number, since 2×109509359351² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109509359351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109509359359) 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 15 ways as a sum of consecutive naturals, for example, 46040 + ... + 470253.

It is an arithmetic number, because the mean of its divisors is an integer number (7912721844).

Almost surely, 2^109509359351 is an apocalyptic number.

109509359351 is a deficient number, since it is larger than the sum of its proper divisors (17094190153).

109509359351 is a wasteful number, since it uses less digits than its factorization.

109509359351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516650.

The product of its (nonzero) digits is 820125, while the sum is 50.

The spelling of 109509359351 in words is "one hundred nine billion, five hundred nine million, three hundred fifty-nine thousand, three hundred fifty-one".