51315114513 has 8 divisors (see below), whose sum is σ = 73683241408. Its totient is φ = 31578531984.

The previous prime is 51315114497. The next prime is 51315114523. The reversal of 51315114513 is 31541151315.

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

It is not a de Polignac number, because 51315114513 - 2⁴ = 51315114497 is a prime.

It is a super-3 number, since 3×51315114513³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51315114523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657886045 + ... + 657886122.

It is an arithmetic number, because the mean of its divisors is an integer number (9210405176).

Almost surely, 2^51315114513 is an apocalyptic number.

It is an amenable number.

51315114513 is a deficient number, since it is larger than the sum of its proper divisors (22368126895).

51315114513 is a wasteful number, since it uses less digits than its factorization.

51315114513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315772183.

The product of its digits is 4500, while the sum is 30.

Adding to 51315114513 its reverse (31541151315), we get a palindrome (82856265828).

The spelling of 51315114513 in words is "fifty-one billion, three hundred fifteen million, one hundred fourteen thousand, five hundred thirteen".