1100111077243 has 2 divisors, whose sum is σ = 1100111077244. Its totient is φ = 1100111077242.

The previous prime is 1100111077237. The next prime is 1100111077279. The reversal of 1100111077243 is 3427701110011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100111077243 - 2⁵ = 1100111077211 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100111077343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550055538621 + 550055538622.

It is an arithmetic number, because the mean of its divisors is an integer number (550055538622).

Almost surely, 2^{1100111077243} is an apocalyptic number.

1100111077243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100111077243 is an equidigital number, since it uses as much as digits as its factorization.

1100111077243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 28.

Adding to 1100111077243 its reverse (3427701110011), we get a palindrome (4527812187254).

The spelling of 1100111077243 in words is "one trillion, one hundred billion, one hundred eleven million, seventy-seven thousand, two hundred forty-three".