1111331203043 has 2 divisors, whose sum is σ = 1111331203044. Its totient is φ = 1111331203042.

The previous prime is 1111331203013. The next prime is 1111331203049. The reversal of 1111331203043 is 3403021331111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111331203043 - 2⁶ = 1111331202979 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111331203049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555665601521 + 555665601522.

It is an arithmetic number, because the mean of its divisors is an integer number (555665601522).

Almost surely, 2^{1111331203043} is an apocalyptic number.

1111331203043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111331203043 is an equidigital number, since it uses as much as digits as its factorization.

1111331203043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1111331203043 its reverse (3403021331111), we get a palindrome (4514352534154).

The spelling of 1111331203043 in words is "one trillion, one hundred eleven billion, three hundred thirty-one million, two hundred three thousand, forty-three".