11551030063213 has 2 divisors, whose sum is σ = 11551030063214. Its totient is φ = 11551030063212.

The previous prime is 11551030063211. The next prime is 11551030063253. The reversal of 11551030063213 is 31236003015511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11205207266724 + 345822796489 = 3347418^2 + 588067^2 .

It is a cyclic number.

It is not a de Polignac number, because 11551030063213 - 2¹ = 11551030063211 is a prime.

Together with 11551030063211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11551030063211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5775515031606 + 5775515031607.

It is an arithmetic number, because the mean of its divisors is an integer number (5775515031607).

Almost surely, 2^{11551030063213} is an apocalyptic number.

It is an amenable number.

11551030063213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11551030063213 is an equidigital number, since it uses as much as digits as its factorization.

11551030063213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 31.

Adding to 11551030063213 its reverse (31236003015511), we get a palindrome (42787033078724).

The spelling of 11551030063213 in words is "eleven trillion, five hundred fifty-one billion, thirty million, sixty-three thousand, two hundred thirteen".