551120144124 has 96 divisors (see below), whose sum is σ = 1422566691840. Its totient is φ = 164664864000.

The previous prime is 551120144117. The next prime is 551120144149. The reversal of 551120144124 is 421441021155.

It is a junction number, because it is equal to n+sod(n) for n = 551120144091 and 551120144100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7607674 + ... + 7679774.

It is an arithmetic number, because the mean of its divisors is an integer number (14818403040).

Almost surely, 2^551120144124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551120144124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711283345920).

551120144124 is an abundant number, since it is smaller than the sum of its proper divisors (871446547716).

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

551120144124 is a wasteful number, since it uses less digits than its factorization.

551120144124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72931 (or 72929 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 551120144124 its reverse (421441021155), we get a palindrome (972561165279).

The spelling of 551120144124 in words is "five hundred fifty-one billion, one hundred twenty million, one hundred forty-four thousand, one hundred twenty-four".