556077555071 has 2 divisors, whose sum is σ = 556077555072. Its totient is φ = 556077555070.

The previous prime is 556077555049. The next prime is 556077555139. The reversal of 556077555071 is 170555770655.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556077555071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556077525071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278038777535 + 278038777536.

It is an arithmetic number, because the mean of its divisors is an integer number (278038777536).

Almost surely, 2^556077555071 is an apocalyptic number.

556077555071 is a deficient number, since it is larger than the sum of its proper divisors (1).

556077555071 is an equidigital number, since it uses as much as digits as its factorization.

556077555071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6431250, while the sum is 53.

The spelling of 556077555071 in words is "five hundred fifty-six billion, seventy-seven million, five hundred fifty-five thousand, seventy-one".