51343267424861 has 16 divisors (see below), whose sum is σ = 53304097291200. Its totient is φ = 49395138038400.

The previous prime is 51343267424857. The next prime is 51343267424927. The reversal of 51343267424861 is 16842476234315.

It is a cyclic number.

It is not a de Polignac number, because 51343267424861 - 2² = 51343267424857 is a prime.

It is a super-2 number, since 2×51343267424861² (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 = 51343267424797 and 51343267424806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51343267424261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564346106 + ... + 564437076.

It is an arithmetic number, because the mean of its divisors is an integer number (3331506080700).

Almost surely, 2^{51343267424861} is an apocalyptic number.

It is an amenable number.

51343267424861 is a deficient number, since it is larger than the sum of its proper divisors (1960829866339).

51343267424861 is a wasteful number, since it uses less digits than its factorization.

51343267424861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160540.

The product of its digits is 23224320, while the sum is 56.

The spelling of 51343267424861 in words is "fifty-one trillion, three hundred forty-three billion, two hundred sixty-seven million, four hundred twenty-four thousand, eight hundred sixty-one".