105521035543545 has 16 divisors (see below), whose sum is σ = 172951550940672. Its totient is φ = 54905254266240.

The previous prime is 105521035543529. The next prime is 105521035543571. The reversal of 105521035543545 is 545345530125501.

It is not a de Polignac number, because 105521035543545 - 2⁴ = 105521035543529 is a prime.

It is a super-2 number, since 2×105521035543545² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105521035543494 and 105521035543503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85789459177 + ... + 85789460406.

It is an arithmetic number, because the mean of its divisors is an integer number (10809471933792).

Almost surely, 2^{105521035543545} is an apocalyptic number.

105521035543545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105521035543545 is a deficient number, since it is larger than the sum of its proper divisors (67430515397127).

105521035543545 is a wasteful number, since it uses less digits than its factorization.

105521035543545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171578919632.

The product of its (nonzero) digits is 4500000, while the sum is 48.

The spelling of 105521035543545 in words is "one hundred five trillion, five hundred twenty-one billion, thirty-five million, five hundred forty-three thousand, five hundred forty-five".