56127127613 has 2 divisors, whose sum is σ = 56127127614. Its totient is φ = 56127127612.

The previous prime is 56127127577. The next prime is 56127127781. The reversal of 56127127613 is 31672172165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46678898809 + 9448228804 = 216053^2 + 97202^2 .

It is a cyclic number.

It is not a de Polignac number, because 56127127613 - 2²² = 56122933309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56127627613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28063563806 + 28063563807.

It is an arithmetic number, because the mean of its divisors is an integer number (28063563807).

Almost surely, 2^56127127613 is an apocalyptic number.

It is an amenable number.

56127127613 is a deficient number, since it is larger than the sum of its proper divisors (1).

56127127613 is an equidigital number, since it uses as much as digits as its factorization.

56127127613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 41.

Adding to 56127127613 its reverse (31672172165), we get a palindrome (87799299778).

The spelling of 56127127613 in words is "fifty-six billion, one hundred twenty-seven million, one hundred twenty-seven thousand, six hundred thirteen".