51338683315 has 8 divisors (see below), whose sum is σ = 61614596160. Its totient is φ = 41065495872.

The previous prime is 51338683313. The next prime is 51338683321.

51338683315 is nontrivially palindromic in base 10.

51338683315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 51338683315 - 2¹ = 51338683313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51338683313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639675 + ... + 715444.

It is an arithmetic number, because the mean of its divisors is an integer number (7701824520).

Almost surely, 2^51338683315 is an apocalyptic number.

51338683315 is a deficient number, since it is larger than the sum of its proper divisors (10275912845).

51338683315 is a wasteful number, since it uses less digits than its factorization.

51338683315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362701.

The product of its digits is 777600, while the sum is 46.

The spelling of 51338683315 in words is "fifty-one billion, three hundred thirty-eight million, six hundred eighty-three thousand, three hundred fifteen".