551209063000 has 64 divisors (see below), whose sum is σ = 1314165733920. Its totient is φ = 216323536000.

The previous prime is 551209062997. The next prime is 551209063033. The reversal of 551209063000 is 360902155.

It is a super-2 number, since 2×551209063000² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 5147086 + ... + 5253085.

Almost surely, 2^551209063000 is an apocalyptic number.

551209063000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

551209063000 is an abundant number, since it is smaller than the sum of its proper divisors (762956670920).

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

551209063000 is a wasteful number, since it uses less digits than its factorization.

551209063000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10400245 (or 10400231 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

Adding to 551209063000 its reverse (360902155), we get a palindrome (551569965155).

The spelling of 551209063000 in words is "five hundred fifty-one billion, two hundred nine million, sixty-three thousand".