11030543243 has 2 divisors, whose sum is σ = 11030543244. Its totient is φ = 11030543242.

The previous prime is 11030543231. The next prime is 11030543263. The reversal of 11030543243 is 34234503011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11030543243 - 2¹² = 11030539147 is a prime.

It is not a weakly prime, because it can be changed into another prime (11030543263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515271621 + 5515271622.

It is an arithmetic number, because the mean of its divisors is an integer number (5515271622).

Almost surely, 2^11030543243 is an apocalyptic number.

11030543243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11030543243 is an equidigital number, since it uses as much as digits as its factorization.

11030543243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

The spelling of 11030543243 in words is "eleven billion, thirty million, five hundred forty-three thousand, two hundred forty-three".