11155498667 has 2 divisors, whose sum is σ = 11155498668. Its totient is φ = 11155498666.

The previous prime is 11155498639. The next prime is 11155498681. The reversal of 11155498667 is 76689455111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11155498667 - 2¹⁶ = 11155433131 is a prime.

It is not a weakly prime, because it can be changed into another prime (11155498637) 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, 5577749333 + 5577749334.

It is an arithmetic number, because the mean of its divisors is an integer number (5577749334).

Almost surely, 2^11155498667 is an apocalyptic number.

11155498667 is a deficient number, since it is larger than the sum of its proper divisors (1).

11155498667 is an equidigital number, since it uses as much as digits as its factorization.

11155498667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 53.

The spelling of 11155498667 in words is "eleven billion, one hundred fifty-five million, four hundred ninety-eight thousand, six hundred sixty-seven".