51315024071 has 8 divisors (see below), whose sum is σ = 51748908288. Its totient is φ = 50881779000.

The previous prime is 51315024001. The next prime is 51315024109. The reversal of 51315024071 is 17042051315.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51315024071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51315024001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2156 + ... + 320366.

It is an arithmetic number, because the mean of its divisors is an integer number (6468613536).

Almost surely, 2^51315024071 is an apocalyptic number.

51315024071 is a deficient number, since it is larger than the sum of its proper divisors (433884217).

51315024071 is a wasteful number, since it uses less digits than its factorization.

51315024071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319573.

The product of its (nonzero) digits is 4200, while the sum is 29.

Adding to 51315024071 its reverse (17042051315), we get a palindrome (68357075386).

The spelling of 51315024071 in words is "fifty-one billion, three hundred fifteen million, twenty-four thousand, seventy-one".