100545440005 has 16 divisors (see below), whose sum is σ = 124986078000. Its totient is φ = 77592739840.

The previous prime is 100545439979. The next prime is 100545440041. The reversal of 100545440005 is 500044545001.

It can be written as a sum of positive squares in 8 ways, for example, as 20943588961 + 79601851044 = 144719^2 + 282138^2 .

It is not a de Polignac number, because 100545440005 - 2⁹ = 100545439493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2737180 + ... + 2773669.

It is an arithmetic number, because the mean of its divisors is an integer number (7811629875).

Almost surely, 2^100545440005 is an apocalyptic number.

It is an amenable number.

100545440005 is a deficient number, since it is larger than the sum of its proper divisors (24440637995).

100545440005 is an equidigital number, since it uses as much as digits as its factorization.

100545440005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5510984.

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 100545440005 its reverse (500044545001), we get a palindrome (600589985006).

The spelling of 100545440005 in words is "one hundred billion, five hundred forty-five million, four hundred forty thousand, five".