550125071111 has 12 divisors (see below), whose sum is σ = 691066206096. Its totient is φ = 428668885920.

The previous prime is 550125071057. The next prime is 550125071113. The reversal of 550125071111 is 111170521055.

It is a happy number.

It is not a de Polignac number, because 550125071111 - 2¹⁴ = 550125054727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550125071113) 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 11 ways as a sum of consecutive naturals, for example, 324748310 + ... + 324750003.

It is an arithmetic number, because the mean of its divisors is an integer number (57588850508).

Almost surely, 2^550125071111 is an apocalyptic number.

550125071111 is a deficient number, since it is larger than the sum of its proper divisors (140941134985).

550125071111 is a wasteful number, since it uses less digits than its factorization.

550125071111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649498342 (or 649498331 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 29.

Adding to 550125071111 its reverse (111170521055), we get a palindrome (661295592166).

The spelling of 550125071111 in words is "five hundred fifty billion, one hundred twenty-five million, seventy-one thousand, one hundred eleven".