109509668758 has 32 divisors (see below), whose sum is σ = 195921939456. Its totient is φ = 44885547168.

The previous prime is 109509668747. The next prime is 109509668759. The reversal of 109509668758 is 857866905901.

109509668758 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 109509668758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109509668759) 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, 2584935 + ... + 2626957.

It is an arithmetic number, because the mean of its divisors is an integer number (6122560608).

Almost surely, 2^109509668758 is an apocalyptic number.

109509668758 is a deficient number, since it is larger than the sum of its proper divisors (86412270698).

109509668758 is a wasteful number, since it uses less digits than its factorization.

109509668758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50148.

The product of its (nonzero) digits is 32659200, while the sum is 64.

The spelling of 109509668758 in words is "one hundred nine billion, five hundred nine million, six hundred sixty-eight thousand, seven hundred fifty-eight".