550215130120 has 16 divisors (see below), whose sum is σ = 1237984042860. Its totient is φ = 220086052032.

The previous prime is 550215130117. The next prime is 550215130123. The reversal of 550215130120 is 21031512055.

It is an interprime number because it is at equal distance from previous prime (550215130117) and next prime (550215130123).

It can be written as a sum of positive squares in 2 ways, for example, as 498574385604 + 51640744516 = 706098^2 + 227246^2 .

It is not an unprimeable number, because it can be changed into a prime (550215130123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6877689087 + ... + 6877689166.

Almost surely, 2^550215130120 is an apocalyptic number.

It is an amenable number.

550215130120 is an abundant number, since it is smaller than the sum of its proper divisors (687768912740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550215130120 is a wasteful number, since it uses less digits than its factorization.

550215130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13755378264 (or 13755378260 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 550215130120 its reverse (21031512055), we get a palindrome (571246642175).

The spelling of 550215130120 in words is "five hundred fifty billion, two hundred fifteen million, one hundred thirty thousand, one hundred twenty".