51010064600 has 48 divisors (see below), whose sum is σ = 129380078520. Its totient is φ = 18549113600.

The previous prime is 51010064563. The next prime is 51010064713. The reversal of 51010064600 is 646001015.

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 11 ways as a sum of consecutive naturals, for example, 11590997 + ... + 11595396.

Almost surely, 2^51010064600 is an apocalyptic number.

51010064600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51010064600 is an abundant number, since it is smaller than the sum of its proper divisors (78370013920).

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

51010064600 is a wasteful number, since it uses less digits than its factorization.

51010064600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23186420 (or 23186411 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 51010064600 its reverse (646001015), we get a palindrome (51656065615).

The spelling of 51010064600 in words is "fifty-one billion, ten million, sixty-four thousand, six hundred".