5205630522511 has 4 divisors (see below), whose sum is σ = 5208146537400. Its totient is φ = 5203114507624.

The previous prime is 5205630522413. The next prime is 5205630522623. The reversal of 5205630522511 is 1152250365025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5205630522511 - 2¹⁷ = 5205630391439 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 (5205630522311) 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 3 ways as a sum of consecutive naturals, for example, 1258004341 + ... + 1258008478.

It is an arithmetic number, because the mean of its divisors is an integer number (1302036634350).

Almost surely, 2^{5205630522511} is an apocalyptic number.

5205630522511 is a deficient number, since it is larger than the sum of its proper divisors (2516014889).

5205630522511 is a wasteful number, since it uses less digits than its factorization.

5205630522511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516014888.

The product of its (nonzero) digits is 90000, while the sum is 37.

Adding to 5205630522511 its reverse (1152250365025), we get a palindrome (6357880887536).

The spelling of 5205630522511 in words is "five trillion, two hundred five billion, six hundred thirty million, five hundred twenty-two thousand, five hundred eleven".