51343524451513 has 8 divisors (see below), whose sum is σ = 60701703785280. Its totient is φ = 42491192649360.

The previous prime is 51343524451489. The next prime is 51343524451517. The reversal of 51343524451513 is 31515442534315.

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

It is a de Polignac number, because none of the positive numbers 2^k-51343524451513 is a prime.

It is a super-2 number, since 2×51343524451513² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51343524451517) 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, 126461882683 + ... + 126461883088.

It is an arithmetic number, because the mean of its divisors is an integer number (7587712973160).

Almost surely, 2^{51343524451513} is an apocalyptic number.

It is an amenable number.

51343524451513 is a deficient number, since it is larger than the sum of its proper divisors (9358179333767).

51343524451513 is a wasteful number, since it uses less digits than its factorization.

51343524451513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252923765807.

The product of its digits is 2160000, while the sum is 46.

Adding to 51343524451513 its reverse (31515442534315), we get a palindrome (82858966985828).

The spelling of 51343524451513 in words is "fifty-one trillion, three hundred forty-three billion, five hundred twenty-four million, four hundred fifty-one thousand, five hundred thirteen".