51300303116172 has 48 divisors (see below), whose sum is σ = 130583138649600. Its totient is φ = 15545481053760.

The previous prime is 51300303116143. The next prime is 51300303116243. The reversal of 51300303116172 is 27161130300315.

It is a super-2 number, since 2×51300303116172² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 15 ways as a sum of consecutive naturals, for example, 37480854 + ... + 38825442.

It is an arithmetic number, because the mean of its divisors is an integer number (2720482055200).

Almost surely, 2^{51300303116172} is an apocalyptic number.

It is an amenable number.

51300303116172 is an abundant number, since it is smaller than the sum of its proper divisors (79282835533428).

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

51300303116172 is a wasteful number, since it uses less digits than its factorization.

51300303116172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633646 (or 1633644 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

Adding to 51300303116172 its reverse (27161130300315), we get a palindrome (78461433416487).

The spelling of 51300303116172 in words is "fifty-one trillion, three hundred billion, three hundred three million, one hundred sixteen thousand, one hundred seventy-two".