550131030123 has 16 divisors (see below), whose sum is σ = 755741853216. Its totient is φ = 355740527360.

The previous prime is 550131030107. The next prime is 550131030131. The reversal of 550131030123 is 321030131055.

It is a cyclic number.

It is not a de Polignac number, because 550131030123 - 2⁴ = 550131030107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 550131030093 and 550131030102.

It is not an unprimeable number, because it can be changed into a prime (550131030133) 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 15 ways as a sum of consecutive naturals, for example, 12905340 + ... + 12947897.

It is an arithmetic number, because the mean of its divisors is an integer number (47233865826).

Almost surely, 2^550131030123 is an apocalyptic number.

550131030123 is a deficient number, since it is larger than the sum of its proper divisors (205610823093).

550131030123 is a wasteful number, since it uses less digits than its factorization.

550131030123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25853454.

The product of its (nonzero) digits is 1350, while the sum is 24.

Adding to 550131030123 its reverse (321030131055), we get a palindrome (871161161178).

The spelling of 550131030123 in words is "five hundred fifty billion, one hundred thirty-one million, thirty thousand, one hundred twenty-three".