56264101661129 has 2 divisors, whose sum is σ = 56264101661130. Its totient is φ = 56264101661128.

The previous prime is 56264101661111. The next prime is 56264101661167. The reversal of 56264101661129 is 92116610146265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28945207005625 + 27318894655504 = 5380075^2 + 5226748^2 .

It is a cyclic number.

It is not a de Polignac number, because 56264101661129 - 2²⁴ = 56264084883913 is a prime.

It is not a weakly prime, because it can be changed into another prime (56264101661189) 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, 28132050830564 + 28132050830565.

It is an arithmetic number, because the mean of its divisors is an integer number (28132050830565).

Almost surely, 2^{56264101661129} is an apocalyptic number.

It is an amenable number.

56264101661129 is a deficient number, since it is larger than the sum of its proper divisors (1).

56264101661129 is an equidigital number, since it uses as much as digits as its factorization.

56264101661129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 56264101661129 in words is "fifty-six trillion, two hundred sixty-four billion, one hundred one million, six hundred sixty-one thousand, one hundred twenty-nine".