105411643 has 4 divisors (see below), whose sum is σ = 105459568. Its totient is φ = 105363720.

The previous prime is 105411617. The next prime is 105411661. The reversal of 105411643 is 346114501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105411643 - 2²⁵ = 71857211 is a prime.

It is a super-2 number, since 2×105411643² = 22223228959918898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105411613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20496 + ... + 25117.

It is an arithmetic number, because the mean of its divisors is an integer number (26364892).

Almost surely, 2^105411643 is an apocalyptic number.

105411643 is a deficient number, since it is larger than the sum of its proper divisors (47925).

105411643 is an equidigital number, since it uses as much as digits as its factorization.

105411643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47924.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 105411643 is about 10267.0172396855. The cubic root of 105411643 is about 472.3851038719.

The spelling of 105411643 in words is "one hundred five million, four hundred eleven thousand, six hundred forty-three".