11566175217413 has 2 divisors, whose sum is σ = 11566175217414. Its totient is φ = 11566175217412.

The previous prime is 11566175217383. The next prime is 11566175217433. The reversal of 11566175217413 is 31471257166511.

11566175217413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11335120032289 + 231055185124 = 3366767^2 + 480682^2 .

It is a cyclic number.

It is not a de Polignac number, because 11566175217413 - 2¹² = 11566175213317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11566175217433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5783087608706 + 5783087608707.

It is an arithmetic number, because the mean of its divisors is an integer number (5783087608707).

Almost surely, 2^{11566175217413} is an apocalyptic number.

It is an amenable number.

11566175217413 is a deficient number, since it is larger than the sum of its proper divisors (1).

11566175217413 is an equidigital number, since it uses as much as digits as its factorization.

11566175217413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1058400, while the sum is 50.

The spelling of 11566175217413 in words is "eleven trillion, five hundred sixty-six billion, one hundred seventy-five million, two hundred seventeen thousand, four hundred thirteen".