1115113253 has 2 divisors, whose sum is σ = 1115113254. Its totient is φ = 1115113252.

The previous prime is 1115113229. The next prime is 1115113271. The reversal of 1115113253 is 3523115111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 974501089 + 140612164 = 31217^2 + 11858^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115113253 - 2⁶ = 1115113189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115110253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557556626 + 557556627.

It is an arithmetic number, because the mean of its divisors is an integer number (557556627).

Almost surely, 2^1115113253 is an apocalyptic number.

It is an amenable number.

1115113253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115113253 is an equidigital number, since it uses as much as digits as its factorization.

1115113253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 450, while the sum is 23.

The square root of 1115113253 is about 33393.3115009578. The cubic root of 1115113253 is about 1036.9862370996.

Adding to 1115113253 its reverse (3523115111), we get a palindrome (4638228364).

The spelling of 1115113253 in words is "one billion, one hundred fifteen million, one hundred thirteen thousand, two hundred fifty-three".