51006205743 has 16 divisors (see below), whose sum is σ = 68831832576. Its totient is φ = 33593928480.

The previous prime is 51006205741. The next prime is 51006205763. The reversal of 51006205743 is 34750260015.

It is not a de Polignac number, because 51006205743 - 2¹ = 51006205741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51006205741) 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, 65955 + ... + 326132.

It is an arithmetic number, because the mean of its divisors is an integer number (4301989536).

Almost surely, 2^51006205743 is an apocalyptic number.

51006205743 is a deficient number, since it is larger than the sum of its proper divisors (17825626833).

51006205743 is a wasteful number, since it uses less digits than its factorization.

51006205743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392614.

The product of its (nonzero) digits is 25200, while the sum is 33.

Adding to 51006205743 its reverse (34750260015), we get a palindrome (85756465758).

The spelling of 51006205743 in words is "fifty-one billion, six million, two hundred five thousand, seven hundred forty-three".