106005430261 has 4 divisors (see below), whose sum is σ = 106468336300. Its totient is φ = 105542524224.

The previous prime is 106005430207. The next prime is 106005430283. The reversal of 106005430261 is 162034500601.

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 74198491236 + 31806939025 = 272394^2 + 178345^2 .

It is a cyclic number.

It is not a de Polignac number, because 106005430261 - 2¹¹ = 106005428213 is a prime.

It is a super-2 number, since 2×106005430261² (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 (106005430291) 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, 231452676 + ... + 231453133.

It is an arithmetic number, because the mean of its divisors is an integer number (26617084075).

Almost surely, 2^106005430261 is an apocalyptic number.

It is an amenable number.

106005430261 is a deficient number, since it is larger than the sum of its proper divisors (462906039).

106005430261 is an equidigital number, since it uses as much as digits as its factorization.

106005430261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462906038.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 106005430261 its reverse (162034500601), we get a palindrome (268039930862).

The spelling of 106005430261 in words is "one hundred six billion, five million, four hundred thirty thousand, two hundred sixty-one".