1115157163 has 2 divisors, whose sum is σ = 1115157164. Its totient is φ = 1115157162.

The previous prime is 1115157161. The next prime is 1115157193. The reversal of 1115157163 is 3617515111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1115157163 - 2¹ = 1115157161 is a prime.

Together with 1115157161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1115157161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557578581 + 557578582.

It is an arithmetic number, because the mean of its divisors is an integer number (557578582).

Almost surely, 2^1115157163 is an apocalyptic number.

1115157163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115157163 is an equidigital number, since it uses as much as digits as its factorization.

1115157163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3150, while the sum is 31.

The square root of 1115157163 is about 33393.9689614757. The cubic root of 1115157163 is about 1036.9998481141. Note that the first 3 decimals are identical.

The spelling of 1115157163 in words is "one billion, one hundred fifteen million, one hundred fifty-seven thousand, one hundred sixty-three".