551102500000 has 384 divisors, whose sum is σ = 1510421133312. Its totient is φ = 196560000000.

The previous prime is 551102499977. The next prime is 551102500009. The reversal of 551102500000 is 5201155.

It is not an unprimeable number, because it can be changed into a prime (551102500009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1007499727 + ... + 1007500273.

It is an arithmetic number, because the mean of its divisors is an integer number (3933388368).

Almost surely, 2^551102500000 is an apocalyptic number.

551102500000 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 551102500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (755210566656).

551102500000 is an abundant number, since it is smaller than the sum of its proper divisors (959318633312).

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

551102500000 is an frugal number, since it uses more digits than its factorization.

551102500000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 19.

Adding to 551102500000 its reverse (5201155), we get a palindrome (551107701155).

The spelling of 551102500000 in words is "five hundred fifty-one billion, one hundred two million, five hundred thousand".