51066020512 has 48 divisors (see below), whose sum is σ = 108514576800. Its totient is φ = 23515644672.

The previous prime is 51066020501. The next prime is 51066020527. The reversal of 51066020512 is 21502066015.

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 7 ways as a sum of consecutive naturals, for example, 45739 + ... + 322837.

It is an arithmetic number, because the mean of its divisors is an integer number (2260720350).

Almost surely, 2^51066020512 is an apocalyptic number.

51066020512 is a gapful number since it is divisible by the number (52) 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 51066020512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54257288400).

51066020512 is an abundant number, since it is smaller than the sum of its proper divisors (57448556288).

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

51066020512 is a wasteful number, since it uses less digits than its factorization.

51066020512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277565 (or 277557 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 51066020512 its reverse (21502066015), we get a palindrome (72568086527).

The spelling of 51066020512 in words is "fifty-one billion, sixty-six million, twenty thousand, five hundred twelve".