1005505510006 has 4 divisors (see below), whose sum is σ = 1508258265012. Its totient is φ = 502752755002.

The previous prime is 1005505510001. The next prime is 1005505510013. The reversal of 1005505510006 is 6000155055001.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1005505510006² (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 (1005505510001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251376377500 + ... + 251376377503.

It is an arithmetic number, because the mean of its divisors is an integer number (377064566253).

Almost surely, 2^{1005505510006} is an apocalyptic number.

1005505510006 is a deficient number, since it is larger than the sum of its proper divisors (502752755006).

1005505510006 is an equidigital number, since it uses as much as digits as its factorization.

1005505510006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502752755005.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 1005505510006 in words is "one trillion, five billion, five hundred five million, five hundred ten thousand, six".