105426664905 has 16 divisors (see below), whose sum is σ = 168692627520. Its totient is φ = 56224233408.

The previous prime is 105426664843. The next prime is 105426664907. The reversal of 105426664905 is 509466624501.

It is not a de Polignac number, because 105426664905 - 2¹¹ = 105426662857 is a prime.

It is a super-2 number, since 2×105426664905² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105426664907) 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, 66511 + ... + 463979.

It is an arithmetic number, because the mean of its divisors is an integer number (10543289220).

Almost surely, 2^105426664905 is an apocalyptic number.

105426664905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105426664905 is a deficient number, since it is larger than the sum of its proper divisors (63265962615).

105426664905 is a wasteful number, since it uses less digits than its factorization.

105426664905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415160.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 105426664905 in words is "one hundred five billion, four hundred twenty-six million, six hundred sixty-four thousand, nine hundred five".