51130016660453 has 2 divisors, whose sum is σ = 51130016660454. Its totient is φ = 51130016660452.

The previous prime is 51130016660431. The next prime is 51130016660477. The reversal of 51130016660453 is 35406661003115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44262435612004 + 6867581048449 = 6653002^2 + 2620607^2 .

It is a cyclic number.

It is not a de Polignac number, because 51130016660453 - 2²⁰ = 51130015611877 is a prime.

It is a super-2 number, since 2×51130016660453² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51130016660453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51130016660953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25565008330226 + 25565008330227.

It is an arithmetic number, because the mean of its divisors is an integer number (25565008330227).

Almost surely, 2^{51130016660453} is an apocalyptic number.

It is an amenable number.

51130016660453 is a deficient number, since it is larger than the sum of its proper divisors (1).

51130016660453 is an equidigital number, since it uses as much as digits as its factorization.

51130016660453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 41.

Adding to 51130016660453 its reverse (35406661003115), we get a palindrome (86536677663568).

The spelling of 51130016660453 in words is "fifty-one trillion, one hundred thirty billion, sixteen million, six hundred sixty thousand, four hundred fifty-three".