511550130000 has 800 divisors, whose sum is σ = 2121060243456. Its totient is φ = 103226112000.

The previous prime is 511550129957. The next prime is 511550130029. The reversal of 511550130000 is 31055115.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 62785927 + ... + 62794073.

Almost surely, 2^511550130000 is an apocalyptic number.

511550130000 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 511550130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1060530121728).

511550130000 is an abundant number, since it is smaller than the sum of its proper divisors (1609510113456).

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

511550130000 is a wasteful number, since it uses less digits than its factorization.

511550130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8221 (or 8200 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 21.

Adding to 511550130000 its reverse (31055115), we get a palindrome (511581185115).

The spelling of 511550130000 in words is "five hundred eleven billion, five hundred fifty million, one hundred thirty thousand".