51635225116 has 24 divisors (see below), whose sum is σ = 93633225840. Its totient is φ = 24885840000.

The previous prime is 51635225027. The next prime is 51635225167. The reversal of 51635225116 is 61152253615.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300610 + ... + 440041.

It is an arithmetic number, because the mean of its divisors is an integer number (3901384410).

Almost surely, 2^51635225116 is an apocalyptic number.

It is an amenable number.

51635225116 is a deficient number, since it is larger than the sum of its proper divisors (41998000724).

51635225116 is a wasteful number, since it uses less digits than its factorization.

51635225116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741285 (or 741283 counting only the distinct ones).

The product of its digits is 54000, while the sum is 37.

The spelling of 51635225116 in words is "fifty-one billion, six hundred thirty-five million, two hundred twenty-five thousand, one hundred sixteen".