51442112343 has 16 divisors (see below), whose sum is σ = 72226227200. Its totient is φ = 32477708160.

The previous prime is 51442112297. The next prime is 51442112377. The reversal of 51442112343 is 34321124415.

It is not a de Polignac number, because 51442112343 - 2¹⁷ = 51441981271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51442112343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51442112243) 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, 10978 + ... + 320943.

It is an arithmetic number, because the mean of its divisors is an integer number (4514139200).

Almost surely, 2^51442112343 is an apocalyptic number.

51442112343 is a deficient number, since it is larger than the sum of its proper divisors (20784114857).

51442112343 is a wasteful number, since it uses less digits than its factorization.

51442112343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334662.

The product of its digits is 11520, while the sum is 30.

Adding to 51442112343 its reverse (34321124415), we get a palindrome (85763236758).

The spelling of 51442112343 in words is "fifty-one billion, four hundred forty-two million, one hundred twelve thousand, three hundred forty-three".