105505244879 has 2 divisors, whose sum is σ = 105505244880. Its totient is φ = 105505244878.

The previous prime is 105505244869. The next prime is 105505244899. The reversal of 105505244879 is 978442505501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105505244879 - 2⁸ = 105505244623 is a prime.

It is a super-2 number, since 2×105505244879² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105505244869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52752622439 + 52752622440.

It is an arithmetic number, because the mean of its divisors is an integer number (52752622440).

Almost surely, 2^105505244879 is an apocalyptic number.

105505244879 is a deficient number, since it is larger than the sum of its proper divisors (1).

105505244879 is an equidigital number, since it uses as much as digits as its factorization.

105505244879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016000, while the sum is 50.

The spelling of 105505244879 in words is "one hundred five billion, five hundred five million, two hundred forty-four thousand, eight hundred seventy-nine".