551215421024 has 12 divisors (see below), whose sum is σ = 1085205360204. Its totient is φ = 275607710496.

The previous prime is 551215420991. The next prime is 551215421041. The reversal of 551215421024 is 420124512155.

551215421024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 17225481907 = 551215421024 / (5 + 5 + 1 + 2 + 1 + 5 + 4 + 2 + 1 + 0 + 2 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8612740922 + ... + 8612740985.

It is an arithmetic number, because the mean of its divisors is an integer number (90433780017).

Almost surely, 2^551215421024 is an apocalyptic number.

It is an amenable number.

551215421024 is a deficient number, since it is larger than the sum of its proper divisors (533989939180).

551215421024 is a wasteful number, since it uses less digits than its factorization.

551215421024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17225481917 (or 17225481909 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 551215421024 its reverse (420124512155), we get a palindrome (971339933179).

The spelling of 551215421024 in words is "five hundred fifty-one billion, two hundred fifteen million, four hundred twenty-one thousand, twenty-four".