100555103005 has 16 divisors (see below), whose sum is σ = 142659457920. Its totient is φ = 66574412352.

The previous prime is 100555102997. The next prime is 100555103021. The reversal of 100555103005 is 500301555001.

It is not a de Polignac number, because 100555103005 - 2³ = 100555102997 is a prime.

It is a super-3 number, since 3×100555103005³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49533519 + ... + 49535548.

It is an arithmetic number, because the mean of its divisors is an integer number (8916216120).

Almost surely, 2^100555103005 is an apocalyptic number.

It is an amenable number.

100555103005 is a deficient number, since it is larger than the sum of its proper divisors (42104354915).

100555103005 is an equidigital number, since it uses as much as digits as its factorization.

100555103005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99069108.

The product of its (nonzero) digits is 1875, while the sum is 25.

Adding to 100555103005 its reverse (500301555001), we get a palindrome (600856658006).

The spelling of 100555103005 in words is "one hundred billion, five hundred fifty-five million, one hundred three thousand, five".