11601327776429 has 2 divisors, whose sum is σ = 11601327776430. Its totient is φ = 11601327776428.

The previous prime is 11601327776399. The next prime is 11601327776609. The reversal of 11601327776429 is 92467772310611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11506186373929 + 95141402500 = 3392077^2 + 308450^2 .

It is a cyclic number.

It is not a de Polignac number, because 11601327776429 - 2⁴⁰ = 10501816148653 is a prime.

It is a super-2 number, since 2×11601327776429² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11601327779429) 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, 5800663888214 + 5800663888215.

It is an arithmetic number, because the mean of its divisors is an integer number (5800663888215).

Almost surely, 2^{11601327776429} is an apocalyptic number.

It is an amenable number.

11601327776429 is a deficient number, since it is larger than the sum of its proper divisors (1).

11601327776429 is an equidigital number, since it uses as much as digits as its factorization.

11601327776429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5334336, while the sum is 56.

The spelling of 11601327776429 in words is "eleven trillion, six hundred one billion, three hundred twenty-seven million, seven hundred seventy-six thousand, four hundred twenty-nine".