1115450530211 has 2 divisors, whose sum is σ = 1115450530212. Its totient is φ = 1115450530210.

The previous prime is 1115450530121. The next prime is 1115450530237. The reversal of 1115450530211 is 1120350545111.

It is a happy number.

Together with previous prime (1115450530121) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1115450530211 is a prime.

It is not a weakly prime, because it can be changed into another prime (1115450530261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557725265105 + 557725265106.

It is an arithmetic number, because the mean of its divisors is an integer number (557725265106).

Almost surely, 2^{1115450530211} is an apocalyptic number.

1115450530211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115450530211 is an equidigital number, since it uses as much as digits as its factorization.

1115450530211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 29.

The spelling of 1115450530211 in words is "one trillion, one hundred fifteen billion, four hundred fifty million, five hundred thirty thousand, two hundred eleven".