11311110043 has 2 divisors, whose sum is σ = 11311110044. Its totient is φ = 11311110042.

The previous prime is 11311110029. The next prime is 11311110137. The reversal of 11311110043 is 34001111311.

It is a weak prime.

It is an emirp because it is prime and its reverse (34001111311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11311110043 - 2³³ = 2721175451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11311109999 and 11311110026.

It is not a weakly prime, because it can be changed into another prime (11311110143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655555021 + 5655555022.

It is an arithmetic number, because the mean of its divisors is an integer number (5655555022).

Almost surely, 2^11311110043 is an apocalyptic number.

11311110043 is a deficient number, since it is larger than the sum of its proper divisors (1).

11311110043 is an equidigital number, since it uses as much as digits as its factorization.

11311110043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11311110043 its reverse (34001111311), we get a palindrome (45312221354).

The spelling of 11311110043 in words is "eleven billion, three hundred eleven million, one hundred ten thousand, forty-three".