556206311357 has 2 divisors, whose sum is σ = 556206311358. Its totient is φ = 556206311356.

The previous prime is 556206311317. The next prime is 556206311431. The reversal of 556206311357 is 753113602655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 454375757476 + 101830553881 = 674074^2 + 319109^2 .

It is a cyclic number.

It is not a de Polignac number, because 556206311357 - 2²⁴ = 556189534141 is a prime.

It is a super-4 number, since 4×556206311357⁴ (a number of 48 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556206311317) 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 as a sum of consecutive naturals, namely, 278103155678 + 278103155679.

It is an arithmetic number, because the mean of its divisors is an integer number (278103155679).

Almost surely, 2^556206311357 is an apocalyptic number.

It is an amenable number.

556206311357 is a deficient number, since it is larger than the sum of its proper divisors (1).

556206311357 is an equidigital number, since it uses as much as digits as its factorization.

556206311357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567000, while the sum is 44.

The spelling of 556206311357 in words is "five hundred fifty-six billion, two hundred six million, three hundred eleven thousand, three hundred fifty-seven".