51020980822 has 64 divisors (see below), whose sum is σ = 96706566144. Its totient is φ = 19670745600.

The previous prime is 51020980819. The next prime is 51020980849. The reversal of 51020980822 is 22808902015.

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 31 ways as a sum of consecutive naturals, for example, 10403623 + ... + 10408525.

It is an arithmetic number, because the mean of its divisors is an integer number (1511040096).

Almost surely, 2^51020980822 is an apocalyptic number.

51020980822 is a deficient number, since it is larger than the sum of its proper divisors (45685585322).

51020980822 is a wasteful number, since it uses less digits than its factorization.

51020980822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6853.

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 51020980822 in words is "fifty-one billion, twenty million, nine hundred eighty thousand, eight hundred twenty-two".