105040319999 has 4 divisors (see below), whose sum is σ = 106762292520. Its totient is φ = 103318347480.

The previous prime is 105040319963. The next prime is 105040320019. The reversal of 105040319999 is 999913040501.

It is a happy number.

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 105040319999 - 2²⁰ = 105039271423 is a prime.

It is a super-2 number, since 2×105040319999² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105040319939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860986169 + ... + 860986290.

It is an arithmetic number, because the mean of its divisors is an integer number (26690573130).

Almost surely, 2^105040319999 is an apocalyptic number.

105040319999 is a deficient number, since it is larger than the sum of its proper divisors (1721972521).

105040319999 is an equidigital number, since it uses as much as digits as its factorization.

105040319999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721972520.

The product of its (nonzero) digits is 393660, while the sum is 50.

The spelling of 105040319999 in words is "one hundred five billion, forty million, three hundred nineteen thousand, nine hundred ninety-nine".