556880280371 has 2 divisors, whose sum is σ = 556880280372. Its totient is φ = 556880280370.

The previous prime is 556880280349. The next prime is 556880280377. The reversal of 556880280371 is 173082088655.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556880280371 is a prime.

It is not a weakly prime, because it can be changed into another prime (556880280377) 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, 278440140185 + 278440140186.

It is an arithmetic number, because the mean of its divisors is an integer number (278440140186).

Almost surely, 2^556880280371 is an apocalyptic number.

556880280371 is a deficient number, since it is larger than the sum of its proper divisors (1).

556880280371 is an equidigital number, since it uses as much as digits as its factorization.

556880280371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3225600, while the sum is 53.

The spelling of 556880280371 in words is "five hundred fifty-six billion, eight hundred eighty million, two hundred eighty thousand, three hundred seventy-one".