11177666671 has 2 divisors, whose sum is σ = 11177666672. Its totient is φ = 11177666670.

The previous prime is 11177666641. The next prime is 11177666677. The reversal of 11177666671 is 17666677111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11177666671 - 2⁷ = 11177666543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11177666677) 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, 5588833335 + 5588833336.

It is an arithmetic number, because the mean of its divisors is an integer number (5588833336).

Almost surely, 2^11177666671 is an apocalyptic number.

11177666671 is a deficient number, since it is larger than the sum of its proper divisors (1).

11177666671 is an equidigital number, since it uses as much as digits as its factorization.

11177666671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 444528, while the sum is 49.

The spelling of 11177666671 in words is "eleven billion, one hundred seventy-seven million, six hundred sixty-six thousand, six hundred seventy-one".