11667475679 has 2 divisors, whose sum is σ = 11667475680. Its totient is φ = 11667475678.

The previous prime is 11667475643. The next prime is 11667475681. The reversal of 11667475679 is 97657476611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11667475679 is a prime.

It is a super-2 number, since 2×11667475679² (a number of 21 digits) contains 22 as substring.

Together with 11667475681, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11667475619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5833737839 + 5833737840.

It is an arithmetic number, because the mean of its divisors is an integer number (5833737840).

Almost surely, 2^11667475679 is an apocalyptic number.

11667475679 is a deficient number, since it is larger than the sum of its proper divisors (1).

11667475679 is an equidigital number, since it uses as much as digits as its factorization.

11667475679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13335840, while the sum is 59.

The spelling of 11667475679 in words is "eleven billion, six hundred sixty-seven million, four hundred seventy-five thousand, six hundred seventy-nine".