105546455609 has 16 divisors (see below), whose sum is σ = 127674718080. Its totient is φ = 85233358080.

The previous prime is 105546455489. The next prime is 105546455621. The reversal of 105546455609 is 906554645501.

It is a cyclic number.

It is not a de Polignac number, because 105546455609 - 2³² = 101251488313 is a prime.

It is a super-2 number, since 2×105546455609² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105546455699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2168144 + ... + 2216289.

It is an arithmetic number, because the mean of its divisors is an integer number (7979669880).

Almost surely, 2^105546455609 is an apocalyptic number.

105546455609 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

105546455609 is a deficient number, since it is larger than the sum of its proper divisors (22128262471).

105546455609 is a wasteful number, since it uses less digits than its factorization.

105546455609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4384640.

The product of its (nonzero) digits is 3240000, while the sum is 50.

The spelling of 105546455609 in words is "one hundred five billion, five hundred forty-six million, four hundred fifty-five thousand, six hundred nine".