105354551240443 has 32 divisors (see below), whose sum is σ = 110528694042624. Its totient is φ = 100339733394432.

The previous prime is 105354551240423. The next prime is 105354551240599. The reversal of 105354551240443 is 344042155453501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 105354551240443 - 2²⁹ = 105354014369531 is a prime.

It is a super-2 number, since 2×105354551240443² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105354551240393 and 105354551240402.

It is not an unprimeable number, because it can be changed into a prime (105354551240423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191452230 + ... + 192001732.

It is an arithmetic number, because the mean of its divisors is an integer number (3454021688832).

Almost surely, 2^{105354551240443} is an apocalyptic number.

105354551240443 is a deficient number, since it is larger than the sum of its proper divisors (5174142802181).

105354551240443 is a wasteful number, since it uses less digits than its factorization.

105354551240443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550315.

The product of its (nonzero) digits is 2880000, while the sum is 46.

The spelling of 105354551240443 in words is "one hundred five trillion, three hundred fifty-four billion, five hundred fifty-one million, two hundred forty thousand, four hundred forty-three".