105455221505 has 8 divisors (see below), whose sum is σ = 126548073024. Its totient is φ = 84362972400.

The previous prime is 105455221441. The next prime is 105455221507. The reversal of 105455221505 is 505122554501.

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

It is not a de Polignac number, because 105455221505 - 2⁶ = 105455221441 is a prime.

It is a super-2 number, since 2×105455221505² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105455221507) 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, 458420 + ... + 648890.

It is an arithmetic number, because the mean of its divisors is an integer number (15818509128).

Almost surely, 2^105455221505 is an apocalyptic number.

It is an amenable number.

105455221505 is a deficient number, since it is larger than the sum of its proper divisors (21092851519).

105455221505 is a wasteful number, since it uses less digits than its factorization.

105455221505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301207.

The product of its (nonzero) digits is 50000, while the sum is 35.

The spelling of 105455221505 in words is "one hundred five billion, four hundred fifty-five million, two hundred twenty-one thousand, five hundred five".