551100550000 has 1080 divisors, whose sum is σ = 1849102368624. Its totient is φ = 158558400000.

The previous prime is 551100549977. The next prime is 551100550001. The reversal of 551100550000 is 55001155.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551100550001) 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 215 ways as a sum of consecutive naturals, for example, 42392349994 + ... + 42392350006.

Almost surely, 2^551100550000 is an apocalyptic number.

551100550000 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 551100550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (924551184312).

551100550000 is an abundant number, since it is smaller than the sum of its proper divisors (1298001818624).

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

551100550000 is an equidigital number, since it uses as much as digits as its factorization.

551100550000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 22.

Adding to 551100550000 its reverse (55001155), we get a palindrome (551155551155).

The spelling of 551100550000 in words is "five hundred fifty-one billion, one hundred million, five hundred fifty thousand".