551755140000 has 240 divisors, whose sum is σ = 1814871155328. Its totient is φ = 146727936000.

The previous prime is 551755139989. The next prime is 551755140011. The reversal of 551755140000 is 41557155.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (551755139989) and next prime (551755140011).

It is a tau number, because it is divible by the number of its divisors (240).

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 39 ways as a sum of consecutive naturals, for example, 22007472 + ... + 22032528.

Almost surely, 2^551755140000 is an apocalyptic number.

551755140000 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 551755140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907435577664).

551755140000 is an abundant number, since it is smaller than the sum of its proper divisors (1263116015328).

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

551755140000 is a wasteful number, since it uses less digits than its factorization.

551755140000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25457 (or 25434 counting only the distinct ones).

The product of its (nonzero) digits is 17500, while the sum is 33.

Adding to 551755140000 its reverse (41557155), we get a palindrome (551796697155).

The spelling of 551755140000 in words is "five hundred fifty-one billion, seven hundred fifty-five million, one hundred forty thousand".