1111331203163 has 2 divisors, whose sum is σ = 1111331203164. Its totient is φ = 1111331203162.

The previous prime is 1111331203123. The next prime is 1111331203187. The reversal of 1111331203163 is 3613021331111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111331203163 - 2²⁰ = 1111330154587 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111331203123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555665601581 + 555665601582.

It is an arithmetic number, because the mean of its divisors is an integer number (555665601582).

Almost surely, 2^{1111331203163} is an apocalyptic number.

1111331203163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111331203163 is an equidigital number, since it uses as much as digits as its factorization.

1111331203163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 1111331203163 its reverse (3613021331111), we get a palindrome (4724352534274).

The spelling of 1111331203163 in words is "one trillion, one hundred eleven billion, three hundred thirty-one million, two hundred three thousand, one hundred sixty-three".