1000550005101 has 24 divisors (see below), whose sum is σ = 1567576201464. Its totient is φ = 612483978240.

The previous prime is 1000550005097. The next prime is 1000550005139. The reversal of 1000550005101 is 1015000550001.

1000550005101 is a `hidden beast` number, since 10 + 0 + 0 + 550 + 0 + 0 + 5 + 101 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 127091537001 + 873458468100 = 356499^2 + 934590^2 .

It is not a de Polignac number, because 1000550005101 - 2² = 1000550005097 is a prime.

It is a super-2 number, since 2×1000550005101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000550005171) 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, 79744246 + ... + 79756791.

It is an arithmetic number, because the mean of its divisors is an integer number (65315675061).

Almost surely, 2^{1000550005101} is an apocalyptic number.

It is an amenable number.

1000550005101 is a deficient number, since it is larger than the sum of its proper divisors (567026196363).

1000550005101 is a wasteful number, since it uses less digits than its factorization.

1000550005101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159501101 (or 159501098 counting only the distinct ones).

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

Adding to 1000550005101 its reverse (1015000550001), we get a palindrome (2015550555102).

The spelling of 1000550005101 in words is "one trillion, five hundred fifty million, five thousand, one hundred one".