109405818759 has 8 divisors (see below), whose sum is σ = 145876714992. Its totient is φ = 72936067520.

The previous prime is 109405818733. The next prime is 109405818787. The reversal of 109405818759 is 957818504901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109405818759 - 2⁵ = 109405818727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109405818699 and 109405818708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109405818059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30702 + ... + 468779.

It is an arithmetic number, because the mean of its divisors is an integer number (18234589374).

Almost surely, 2^109405818759 is an apocalyptic number.

109405818759 is a deficient number, since it is larger than the sum of its proper divisors (36470896233).

109405818759 is an equidigital number, since it uses as much as digits as its factorization.

109405818759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572497.

The product of its (nonzero) digits is 3628800, while the sum is 57.

The spelling of 109405818759 in words is "one hundred nine billion, four hundred five million, eight hundred eighteen thousand, seven hundred fifty-nine".