551214720000 has 2200 divisors, whose sum is σ = 2476077401600. Its totient is φ = 121927680000.

The previous prime is 551214719941. The next prime is 551214720029. The reversal of 551214720000 is 27412155.

551214720000 is a `hidden beast` number, since 5 + 512 + 147 + 2 + 0 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 199 ways as a sum of consecutive naturals, for example, 17781119985 + ... + 17781120015.

It is an arithmetic number, because the mean of its divisors is an integer number (1125489728).

Almost surely, 2^551214720000 is an apocalyptic number.

551214720000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551214720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1238038700800).

551214720000 is an abundant number, since it is smaller than the sum of its proper divisors (1924862681600).

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

551214720000 is an frugal number, since it uses more digits than its factorization.

551214720000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The spelling of 551214720000 in words is "five hundred fifty-one billion, two hundred fourteen million, seven hundred twenty thousand".