56430114266521 has 2 divisors, whose sum is σ = 56430114266522. Its totient is φ = 56430114266520.

The previous prime is 56430114266509. The next prime is 56430114266527. The reversal of 56430114266521 is 12566241103465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44031187360000 + 12398926906521 = 6635600^2 + 3521211^2 .

It is a cyclic number.

It is not a de Polignac number, because 56430114266521 - 2³³ = 56421524331929 is a prime.

It is a super-3 number, since 3×56430114266521³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (56430114266527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28215057133260 + 28215057133261.

It is an arithmetic number, because the mean of its divisors is an integer number (28215057133261).

Almost surely, 2^{56430114266521} is an apocalyptic number.

It is an amenable number.

56430114266521 is a deficient number, since it is larger than the sum of its proper divisors (1).

56430114266521 is an equidigital number, since it uses as much as digits as its factorization.

56430114266521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1036800, while the sum is 46.

Adding to 56430114266521 its reverse (12566241103465), we get a palindrome (68996355369986).

The spelling of 56430114266521 in words is "fifty-six trillion, four hundred thirty billion, one hundred fourteen million, two hundred sixty-six thousand, five hundred twenty-one".