1105503263 has 2 divisors, whose sum is σ = 1105503264. Its totient is φ = 1105503262.

The previous prime is 1105503253. The next prime is 1105503359. The reversal of 1105503263 is 3623055011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1105503263 - 2¹⁰ = 1105502239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105503253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552751631 + 552751632.

It is an arithmetic number, because the mean of its divisors is an integer number (552751632).

Almost surely, 2^1105503263 is an apocalyptic number.

1105503263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105503263 is an equidigital number, since it uses as much as digits as its factorization.

1105503263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 1105503263 is about 33249.1092061126. The cubic root of 1105503263 is about 1033.9987401262.

Adding to 1105503263 its reverse (3623055011), we get a palindrome (4728558274).

The spelling of 1105503263 in words is "one billion, one hundred five million, five hundred three thousand, two hundred sixty-three".