1111000312043 has 2 divisors, whose sum is σ = 1111000312044. Its totient is φ = 1111000312042.

The previous prime is 1111000311991. The next prime is 1111000312133. The reversal of 1111000312043 is 3402130001111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111000312043 - 2⁶ = 1111000311979 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111000312243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555500156021 + 555500156022.

It is an arithmetic number, because the mean of its divisors is an integer number (555500156022).

Almost surely, 2^{1111000312043} is an apocalyptic number.

1111000312043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111000312043 is an equidigital number, since it uses as much as digits as its factorization.

1111000312043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1111000312043 its reverse (3402130001111), we get a palindrome (4513130313154).

The spelling of 1111000312043 in words is "one trillion, one hundred eleven billion, three hundred twelve thousand, forty-three".