105254619999 has 8 divisors (see below), whose sum is σ = 140447701680. Its totient is φ = 70115642496.

The previous prime is 105254619971. The next prime is 105254620007. The reversal of 105254619999 is 999916452501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105254619999 - 2¹⁶ = 105254554463 is a prime.

It is a super-2 number, since 2×105254619999² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105254669999) 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 in 7 ways as a sum of consecutive naturals, for example, 13521504 + ... + 13529285.

It is an arithmetic number, because the mean of its divisors is an integer number (17555962710).

Almost surely, 2^105254619999 is an apocalyptic number.

105254619999 is a deficient number, since it is larger than the sum of its proper divisors (35193081681).

105254619999 is a wasteful number, since it uses less digits than its factorization.

105254619999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27052089.

The product of its (nonzero) digits is 7873200, while the sum is 60.

The spelling of 105254619999 in words is "one hundred five billion, two hundred fifty-four million, six hundred nineteen thousand, nine hundred ninety-nine".