105508540321199 has 4 divisors (see below), whose sum is σ = 105510441876864. Its totient is φ = 105506638765536.

The previous prime is 105508540321187. The next prime is 105508540321201. The reversal of 105508540321199 is 991123045805501.

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 105508540321199 - 2²⁰ = 105508539272623 is a prime.

It is a super-2 number, since 2×105508540321199² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105508540321199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105508540351199) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 950694602 + ... + 950805575.

It is an arithmetic number, because the mean of its divisors is an integer number (26377610469216).

Almost surely, 2^{105508540321199} is an apocalyptic number.

105508540321199 is a deficient number, since it is larger than the sum of its proper divisors (1901555665).

105508540321199 is an equidigital number, since it uses as much as digits as its factorization.

105508540321199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901555664.

The product of its (nonzero) digits is 1944000, while the sum is 53.

The spelling of 105508540321199 in words is "one hundred five trillion, five hundred eight billion, five hundred forty million, three hundred twenty-one thousand, one hundred ninety-nine".