100005055055 has 16 divisors (see below), whose sum is σ = 121118215680. Its totient is φ = 79265735712.

The previous prime is 100005055039. The next prime is 100005055091. The reversal of 100005055055 is 550550500001.

It is a cyclic number.

It is not a de Polignac number, because 100005055055 - 2⁴ = 100005055039 is a prime.

It is a super-2 number, since 2×100005055055² (a number of 23 digits) contains 22 as substring.

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, 61286 + ... + 451404.

It is an arithmetic number, because the mean of its divisors is an integer number (7569888480).

Almost surely, 2^100005055055 is an apocalyptic number.

100005055055 is a deficient number, since it is larger than the sum of its proper divisors (21113160625).

100005055055 is a wasteful number, since it uses less digits than its factorization.

100005055055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390598.

The product of its (nonzero) digits is 3125, while the sum is 26.

Adding to 100005055055 its reverse (550550500001), we get a palindrome (650555555056).

The spelling of 100005055055 in words is "one hundred billion, five million, fifty-five thousand, fifty-five".