51630636320025 has 48 divisors (see below), whose sum is σ = 98052531629184. Its totient is φ = 23482766522880.

The previous prime is 51630636320017. The next prime is 51630636320041. The reversal of 51630636320025 is 52002363603615.

It is not a de Polignac number, because 51630636320025 - 2³ = 51630636320017 is a prime.

It is a super-3 number, since 3×51630636320025³ (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 249500812 + ... + 249707661.

It is an arithmetic number, because the mean of its divisors is an integer number (2042761075608).

Almost surely, 2^{51630636320025} is an apocalyptic number.

It is an amenable number.

51630636320025 is a deficient number, since it is larger than the sum of its proper divisors (46421895309159).

51630636320025 is a wasteful number, since it uses less digits than its factorization.

51630636320025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499208690 (or 499208685 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 42.

The spelling of 51630636320025 in words is "fifty-one trillion, six hundred thirty billion, six hundred thirty-six million, three hundred twenty thousand, twenty-five".