551055606018 has 16 divisors (see below), whose sum is σ = 1102701545760. Its totient is φ = 183586813056.

The previous prime is 551055606011. The next prime is 551055606043. The reversal of 551055606018 is 810606550155.

It is not an unprimeable number, because it can be changed into a prime (551055606011) 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 7 ways as a sum of consecutive naturals, for example, 24585103 + ... + 24607506.

It is an arithmetic number, because the mean of its divisors is an integer number (68918846610).

Almost surely, 2^551055606018 is an apocalyptic number.

551055606018 is an abundant number, since it is smaller than the sum of its proper divisors (551645939742).

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

551055606018 is a wasteful number, since it uses less digits than its factorization.

551055606018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49194481.

The product of its (nonzero) digits is 180000, while the sum is 42.

The spelling of 551055606018 in words is "five hundred fifty-one billion, fifty-five million, six hundred six thousand, eighteen".