1115134913 has 2 divisors, whose sum is σ = 1115134914. Its totient is φ = 1115134912.

The previous prime is 1115134903. The next prime is 1115135029. The reversal of 1115134913 is 3194315111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 841464064 + 273670849 = 29008^2 + 16543^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115134913 - 2¹⁶ = 1115069377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1115134903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557567456 + 557567457.

It is an arithmetic number, because the mean of its divisors is an integer number (557567457).

Almost surely, 2^1115134913 is an apocalyptic number.

It is an amenable number.

1115134913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115134913 is an equidigital number, since it uses as much as digits as its factorization.

1115134913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 29.

The square root of 1115134913 is about 33393.6358158257. The cubic root of 1115134913 is about 1036.9929512088.

It can be divided in two parts, 11151 and 34913, that added together give a palindrome (46064).

The spelling of 1115134913 in words is "one billion, one hundred fifteen million, one hundred thirty-four thousand, nine hundred thirteen".