551315000000 has 224 divisors, whose sum is σ = 1387669885056. Its totient is φ = 217280000000.

The previous prime is 551314999999. The next prime is 551315000011. The reversal of 551315000000 is 513155.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354999224 + ... + 355000776.

It is an arithmetic number, because the mean of its divisors is an integer number (6194954844).

Almost surely, 2^551315000000 is an apocalyptic number.

551315000000 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 551315000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693834942528).

551315000000 is an abundant number, since it is smaller than the sum of its proper divisors (836354885056).

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

551315000000 is an frugal number, since it uses more digits than its factorization.

551315000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671 (or 1631 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 20.

Adding to 551315000000 its reverse (513155), we get a palindrome (551315513155).

The spelling of 551315000000 in words is "five hundred fifty-one billion, three hundred fifteen million", and thus it is an aban number.