1115296263 has 32 divisors (see below), whose sum is σ = 1679385600. Its totient is φ = 731395008.

The previous prime is 1115296253. The next prime is 1115296267. The reversal of 1115296263 is 3626925111.

1115296263 is a `hidden beast` number, since 1 + 1 + 1 + 5 + 29 + 626 + 3 = 666.

It is not a de Polignac number, because 1115296263 - 2¹⁰ = 1115295239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115296267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1416756 + ... + 1417542.

It is an arithmetic number, because the mean of its divisors is an integer number (52480800).

Almost surely, 2^1115296263 is an apocalyptic number.

1115296263 is a deficient number, since it is larger than the sum of its proper divisors (564089337).

1115296263 is an equidigital number, since it uses as much as digits as its factorization.

1115296263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 1582 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 1115296263 is about 33396.0516079371. The cubic root of 1115296263 is about 1037.0429633169.

The spelling of 1115296263 in words is "one billion, one hundred fifteen million, two hundred ninety-six thousand, two hundred sixty-three".