56865167769601 has 2 divisors, whose sum is σ = 56865167769602. Its totient is φ = 56865167769600.

The previous prime is 56865167769559. The next prime is 56865167769629. The reversal of 56865167769601 is 10696776156865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30446955551376 + 26418212218225 = 5517876^2 + 5139865^2 .

It is a cyclic number.

It is not a de Polignac number, because 56865167769601 - 2¹¹ = 56865167767553 is a prime.

It is not a weakly prime, because it can be changed into another prime (56865167769661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28432583884800 + 28432583884801.

It is an arithmetic number, because the mean of its divisors is an integer number (28432583884801).

Almost surely, 2^{56865167769601} is an apocalyptic number.

It is an amenable number.

56865167769601 is a deficient number, since it is larger than the sum of its proper divisors (1).

56865167769601 is an equidigital number, since it uses as much as digits as its factorization.

56865167769601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 685843200, while the sum is 73.

The spelling of 56865167769601 in words is "fifty-six trillion, eight hundred sixty-five billion, one hundred sixty-seven million, seven hundred sixty-nine thousand, six hundred one".