105806429101 has 4 divisors (see below), whose sum is σ = 105831885852. Its totient is φ = 105780972352.

The previous prime is 105806429087. The next prime is 105806429117. The reversal of 105806429101 is 101924608501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19590201225 + 86216227876 = 139965^2 + 293626^2 .

It is a cyclic number.

It is not a de Polignac number, because 105806429101 - 2²¹ = 105804331949 is a prime.

It is a super-2 number, since 2×105806429101² (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 (105806429171) 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, 12722140 + ... + 12730453.

It is an arithmetic number, because the mean of its divisors is an integer number (26457971463).

Almost surely, 2^105806429101 is an apocalyptic number.

It is an amenable number.

105806429101 is a deficient number, since it is larger than the sum of its proper divisors (25456751).

105806429101 is an equidigital number, since it uses as much as digits as its factorization.

105806429101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25456750.

The product of its (nonzero) digits is 17280, while the sum is 37.

The spelling of 105806429101 in words is "one hundred five billion, eight hundred six million, four hundred twenty-nine thousand, one hundred one".