551283522018 has 64 divisors (see below), whose sum is σ = 1120546787328. Its totient is φ = 180791654400.

The previous prime is 551283521983. The next prime is 551283522071. The reversal of 551283522018 is 810225382155.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125374996 + ... + 125379392.

It is an arithmetic number, because the mean of its divisors is an integer number (17508543552).

Almost surely, 2^551283522018 is an apocalyptic number.

551283522018 is an abundant number, since it is smaller than the sum of its proper divisors (569263265310).

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

551283522018 is a wasteful number, since it uses less digits than its factorization.

551283522018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5867.

The product of its (nonzero) digits is 192000, while the sum is 42.

The spelling of 551283522018 in words is "five hundred fifty-one billion, two hundred eighty-three million, five hundred twenty-two thousand, eighteen".