1115300111 has 2 divisors, whose sum is σ = 1115300112. Its totient is φ = 1115300110.

The previous prime is 1115300063. The next prime is 1115300161. The reversal of 1115300111 is 1110035111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1115300111 - 2⁶ = 1115300047 is a prime.

It is a super-2 number, since 2×1115300111² = 2487788675193224642, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115300161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557650055 + 557650056.

It is an arithmetic number, because the mean of its divisors is an integer number (557650056).

Almost surely, 2^1115300111 is an apocalyptic number.

1115300111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115300111 is an equidigital number, since it uses as much as digits as its factorization.

1115300111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15, while the sum is 14.

The square root of 1115300111 is about 33396.1092194884. The cubic root of 1115300111 is about 1037.0441559856.

Adding to 1115300111 its reverse (1110035111), we get a palindrome (2225335222).

The spelling of 1115300111 in words is "one billion, one hundred fifteen million, three hundred thousand, one hundred eleven".