51368252003851 has 32 divisors (see below), whose sum is σ = 58259736576000. Its totient is φ = 45034196343840.

The previous prime is 51368252003821. The next prime is 51368252003867. The reversal of 51368252003851 is 15830025286315.

51368252003851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51368252003851 - 2¹⁵ = 51368251971083 is a prime.

It is a super-2 number, since 2×51368252003851² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51368252003795 and 51368252003804.

It is not an unprimeable number, because it can be changed into a prime (51368252003821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46420600 + ... + 47514298.

It is an arithmetic number, because the mean of its divisors is an integer number (1820616768000).

Almost surely, 2^{51368252003851} is an apocalyptic number.

51368252003851 is a deficient number, since it is larger than the sum of its proper divisors (6891484572149).

51368252003851 is a wasteful number, since it uses less digits than its factorization.

51368252003851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097239.

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 51368252003851 in words is "fifty-one trillion, three hundred sixty-eight billion, two hundred fifty-two million, three thousand, eight hundred fifty-one".