11766571214117 has 2 divisors, whose sum is σ = 11766571214118. Its totient is φ = 11766571214116.

The previous prime is 11766571214093. The next prime is 11766571214173. The reversal of 11766571214117 is 71141217566711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9752666801476 + 2013904412641 = 3122926^2 + 1419121^2 .

It is a cyclic number.

It is not a de Polignac number, because 11766571214117 - 2⁸ = 11766571213861 is a prime.

It is a super-2 number, since 2×11766571214117² (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 (11766571214617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5883285607058 + 5883285607059.

It is an arithmetic number, because the mean of its divisors is an integer number (5883285607059).

Almost surely, 2^{11766571214117} is an apocalyptic number.

It is an amenable number.

11766571214117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11766571214117 is an equidigital number, since it uses as much as digits as its factorization.

11766571214117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 493920, while the sum is 50.

The spelling of 11766571214117 in words is "eleven trillion, seven hundred sixty-six billion, five hundred seventy-one million, two hundred fourteen thousand, one hundred seventeen".