51223721237362 has 8 divisors (see below), whose sum is σ = 81355321965276. Its totient is φ = 24105280582272.

The previous prime is 51223721237347. The next prime is 51223721237369. The reversal of 51223721237362 is 26373212732215.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50931644762881 + 292076474481 = 7136641^2 + 540441^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (51223721237369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753290018163 + ... + 753290018230.

Almost surely, 2^{51223721237362} is an apocalyptic number.

51223721237362 is a deficient number, since it is larger than the sum of its proper divisors (30131600727914).

51223721237362 is a wasteful number, since it uses less digits than its factorization.

51223721237362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506580036412.

The product of its digits is 1270080, while the sum is 46.

Adding to 51223721237362 its reverse (26373212732215), we get a palindrome (77596933969577).

The spelling of 51223721237362 in words is "fifty-one trillion, two hundred twenty-three billion, seven hundred twenty-one million, two hundred thirty-seven thousand, three hundred sixty-two".