1115835013 has 2 divisors, whose sum is σ = 1115835014. Its totient is φ = 1115835012.

The previous prime is 1115834999. The next prime is 1115835029. The reversal of 1115835013 is 3105385111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1067851684 + 47983329 = 32678^2 + 6927^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115835013 - 2⁵ = 1115834981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115835043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557917506 + 557917507.

It is an arithmetic number, because the mean of its divisors is an integer number (557917507).

Almost surely, 2^1115835013 is an apocalyptic number.

It is an amenable number.

1115835013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115835013 is an equidigital number, since it uses as much as digits as its factorization.

1115835013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 1115835013 is about 33404.1167073761. The cubic root of 1115835013 is about 1037.2099195410.

The spelling of 1115835013 in words is "one billion, one hundred fifteen million, eight hundred thirty-five thousand, thirteen".