106240434205 has 4 divisors (see below), whose sum is σ = 127488521052. Its totient is φ = 84992347360.

The previous prime is 106240434161. The next prime is 106240434233. The reversal of 106240434205 is 502434042601.

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 59585298201 + 46655136004 = 244101^2 + 215998^2 .

It is not a de Polignac number, because 106240434205 - 2¹⁷ = 106240303133 is a prime.

It is a super-2 number, since 2×106240434205² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10624043416 + ... + 10624043425.

It is an arithmetic number, because the mean of its divisors is an integer number (31872130263).

Almost surely, 2^106240434205 is an apocalyptic number.

It is an amenable number.

106240434205 is a deficient number, since it is larger than the sum of its proper divisors (21248086847).

106240434205 is an equidigital number, since it uses as much as digits as its factorization.

106240434205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21248086846.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 106240434205 its reverse (502434042601), we get a palindrome (608674476806).

The spelling of 106240434205 in words is "one hundred six billion, two hundred forty million, four hundred thirty-four thousand, two hundred five".