551000105605 has 16 divisors (see below), whose sum is σ = 682554009600. Its totient is φ = 426565198080.

The previous prime is 551000105603. The next prime is 551000105627. The reversal of 551000105605 is 506501000155.

It is not a de Polignac number, because 551000105605 - 2¹ = 551000105603 is a prime.

It is a super-2 number, since 2×551000105605² (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 (551000105603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6088276 + ... + 6178114.

It is an arithmetic number, because the mean of its divisors is an integer number (42659625600).

Almost surely, 2^551000105605 is an apocalyptic number.

It is an amenable number.

551000105605 is a deficient number, since it is larger than the sum of its proper divisors (131553903995).

551000105605 is a wasteful number, since it uses less digits than its factorization.

551000105605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129444.

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

The spelling of 551000105605 in words is "five hundred fifty-one billion, one hundred five thousand, six hundred five".