109354577805605 has 16 divisors (see below), whose sum is σ = 143205296113728. Its totient is φ = 79502706240000.

The previous prime is 109354577805601. The next prime is 109354577805653. The reversal of 109354577805605 is 506508775453901.

It is not a de Polignac number, because 109354577805605 - 2² = 109354577805601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109354577805601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348539276 + ... + 348852885.

It is an arithmetic number, because the mean of its divisors is an integer number (8950331007108).

Almost surely, 2^{109354577805605} is an apocalyptic number.

It is an amenable number.

109354577805605 is a deficient number, since it is larger than the sum of its proper divisors (33850718308123).

109354577805605 is a wasteful number, since it uses less digits than its factorization.

109354577805605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697395028.

The product of its (nonzero) digits is 158760000, while the sum is 65.

The spelling of 109354577805605 in words is "one hundred nine trillion, three hundred fifty-four billion, five hundred seventy-seven million, eight hundred five thousand, six hundred five".