11011111110667 has 2 divisors, whose sum is σ = 11011111110668. Its totient is φ = 11011111110666.

The previous prime is 11011111110563. The next prime is 11011111110697. The reversal of 11011111110667 is 76601111111011.

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-11011111110667 is a prime.

It is not a weakly prime, because it can be changed into another prime (11011111110697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505555555333 + 5505555555334.

It is an arithmetic number, because the mean of its divisors is an integer number (5505555555334).

Almost surely, 2^{11011111110667} is an apocalyptic number.

11011111110667 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011111110667 is an equidigital number, since it uses as much as digits as its factorization.

11011111110667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 28.

Adding to 11011111110667 its reverse (76601111111011), we get a palindrome (87612222221678).

The spelling of 11011111110667 in words is "eleven trillion, eleven billion, one hundred eleven million, one hundred ten thousand, six hundred sixty-seven".