56266319017 has 2 divisors, whose sum is σ = 56266319018. Its totient is φ = 56266319016.

The previous prime is 56266319003. The next prime is 56266319063. The reversal of 56266319017 is 71091366265.

It is an a-pointer prime, because the next prime (56266319063) can be obtained adding 56266319017 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55251323136 + 1014995881 = 235056^2 + 31859^2 .

It is a cyclic number.

It is not a de Polignac number, because 56266319017 - 2¹¹ = 56266316969 is a prime.

It is not a weakly prime, because it can be changed into another prime (56266319717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28133159508 + 28133159509.

It is an arithmetic number, because the mean of its divisors is an integer number (28133159509).

Almost surely, 2^56266319017 is an apocalyptic number.

It is an amenable number.

56266319017 is a deficient number, since it is larger than the sum of its proper divisors (1).

56266319017 is an equidigital number, since it uses as much as digits as its factorization.

56266319017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 56266319017 in words is "fifty-six billion, two hundred sixty-six million, three hundred nineteen thousand, seventeen".