555100100001 has 16 divisors (see below), whose sum is σ = 822594683520. Its totient is φ = 369965859120.

The previous prime is 555100099937. The next prime is 555100100017. The reversal of 555100100001 is 100001001555.

555100100001 is a `hidden beast` number, since 55 + 510 + 0 + 100 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 555100100001 - 2⁶ = 555100099937 is a prime.

It is a super-2 number, since 2×555100100001² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (555100180001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2701110 + ... + 2899343.

It is an arithmetic number, because the mean of its divisors is an integer number (51412167720).

Almost surely, 2^555100100001 is an apocalyptic number.

It is an amenable number.

555100100001 is a deficient number, since it is larger than the sum of its proper divisors (267494583519).

555100100001 is a wasteful number, since it uses less digits than its factorization.

555100100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5604133 (or 5604127 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

Adding to 555100100001 its reverse (100001001555), we get a palindrome (655101101556).

The spelling of 555100100001 in words is "five hundred fifty-five billion, one hundred million, one hundred thousand, one".