1115345107 has 2 divisors, whose sum is σ = 1115345108. Its totient is φ = 1115345106.

The previous prime is 1115345089. The next prime is 1115345111. The reversal of 1115345107 is 7015435111.

It is a strong prime.

It is an emirp because it is prime and its reverse (7015435111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1115345107 - 2²⁷ = 981127379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1115345117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557672553 + 557672554.

It is an arithmetic number, because the mean of its divisors is an integer number (557672554).

Almost surely, 2^1115345107 is an apocalyptic number.

1115345107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115345107 is an equidigital number, since it uses as much as digits as its factorization.

1115345107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 1115345107 is about 33396.7828839845. The cubic root of 1115345107 is about 1037.0581020709.

The spelling of 1115345107 in words is "one billion, one hundred fifteen million, three hundred forty-five thousand, one hundred seven".