56011212555163 has 2 divisors, whose sum is σ = 56011212555164. Its totient is φ = 56011212555162.

The previous prime is 56011212555121. The next prime is 56011212555191. The reversal of 56011212555163 is 36155521211065.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56011212555163 is a prime.

It is not a weakly prime, because it can be changed into another prime (56011212535163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28005606277581 + 28005606277582.

It is an arithmetic number, because the mean of its divisors is an integer number (28005606277582).

Almost surely, 2^{56011212555163} is an apocalyptic number.

56011212555163 is a deficient number, since it is larger than the sum of its proper divisors (1).

56011212555163 is an equidigital number, since it uses as much as digits as its factorization.

56011212555163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270000, while the sum is 43.

The spelling of 56011212555163 in words is "fifty-six trillion, eleven billion, two hundred twelve million, five hundred fifty-five thousand, one hundred sixty-three".