555000001101 has 24 divisors (see below), whose sum is σ = 986666670080. Its totient is φ = 292747252896.

The previous prime is 555000001097. The next prime is 555000001151. The reversal of 555000001101 is 101100000555.

555000001101 is a `hidden beast` number, since 5 + 550 + 0 + 0 + 0 + 0 + 110 + 1 = 666.

It is not a de Polignac number, because 555000001101 - 2² = 555000001097 is a prime.

It is a super-2 number, since 2×555000001101² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555000001151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338827021 + ... + 338828658.

Almost surely, 2^555000001101 is an apocalyptic number.

It is an amenable number.

555000001101 is a deficient number, since it is larger than the sum of its proper divisors (431666668979).

555000001101 is a wasteful number, since it uses less digits than its factorization.

555000001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677655705 (or 677655702 counting only the distinct ones).

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

Adding to 555000001101 its reverse (101100000555), we get a palindrome (656100001656).

The spelling of 555000001101 in words is "five hundred fifty-five billion, one thousand, one hundred one".