1115117411 has 2 divisors, whose sum is σ = 1115117412. Its totient is φ = 1115117410.

The previous prime is 1115117407. The next prime is 1115117447. The reversal of 1115117411 is 1147115111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1115117411 - 2² = 1115117407 is a prime.

It is not a weakly prime, because it can be changed into another prime (1115117111) 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, 557558705 + 557558706.

It is an arithmetic number, because the mean of its divisors is an integer number (557558706).

Almost surely, 2^1115117411 is an apocalyptic number.

1115117411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115117411 is an equidigital number, since it uses as much as digits as its factorization.

1115117411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 140, while the sum is 23.

The square root of 1115117411 is about 33393.3737588762. The cubic root of 1115117411 is about 1036.9875259921.

The spelling of 1115117411 in words is "one billion, one hundred fifteen million, one hundred seventeen thousand, four hundred eleven".