550011005105 has 4 divisors (see below), whose sum is σ = 660013206132. Its totient is φ = 440008804080.

The previous prime is 550011005077. The next prime is 550011005107. The reversal of 550011005105 is 501500110055.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 430200874609 + 119810130496 = 655897^2 + 346136^2 .

It is not a de Polignac number, because 550011005105 - 2¹⁴ = 550010988721 is a prime.

It is a super-2 number, since 2×550011005105² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550011005107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55001100506 + ... + 55001100515.

It is an arithmetic number, because the mean of its divisors is an integer number (165003301533).

Almost surely, 2^550011005105 is an apocalyptic number.

It is an amenable number.

550011005105 is a deficient number, since it is larger than the sum of its proper divisors (110002201027).

550011005105 is a wasteful number, since it uses less digits than its factorization.

550011005105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110002201026.

The product of its (nonzero) digits is 625, while the sum is 23.

The spelling of 550011005105 in words is "five hundred fifty billion, eleven million, five thousand, one hundred five".