105106105999 has 8 divisors (see below), whose sum is σ = 105373127808. Its totient is φ = 104839300440.

The previous prime is 105106105927. The next prime is 105106106047. The reversal of 105106105999 is 999501601501.

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

It is a cyclic number.

It is not a de Polignac number, because 105106105999 - 2³³ = 96516171407 is a prime.

It is a super-2 number, since 2×105106105999² (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 (105106135999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942454 + ... + 1048060.

It is an arithmetic number, because the mean of its divisors is an integer number (13171640976).

Almost surely, 2^105106105999 is an apocalyptic number.

105106105999 is a deficient number, since it is larger than the sum of its proper divisors (267021809).

105106105999 is a wasteful number, since it uses less digits than its factorization.

105106105999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108125.

The product of its (nonzero) digits is 109350, while the sum is 46.

The spelling of 105106105999 in words is "one hundred five billion, one hundred six million, one hundred five thousand, nine hundred ninety-nine".