1111523263 has 2 divisors, whose sum is σ = 1111523264. Its totient is φ = 1111523262.

The previous prime is 1111523251. The next prime is 1111523267. The reversal of 1111523263 is 3623251111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111523263 - 2²¹ = 1109426111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111523267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555761631 + 555761632.

It is an arithmetic number, because the mean of its divisors is an integer number (555761632).

Almost surely, 2^1111523263 is an apocalyptic number.

1111523263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111523263 is an equidigital number, since it uses as much as digits as its factorization.

1111523263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

The square root of 1111523263 is about 33339.5150384645. The cubic root of 1111523263 is about 1035.8722179945.

Adding to 1111523263 its reverse (3623251111), we get a palindrome (4734774374).

The spelling of 1111523263 in words is "one billion, one hundred eleven million, five hundred twenty-three thousand, two hundred sixty-three".