1115319349 has 2 divisors, whose sum is σ = 1115319350. Its totient is φ = 1115319348.

The previous prime is 1115319347. The next prime is 1115319383. The reversal of 1115319349 is 9439135111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1063738225 + 51581124 = 32615^2 + 7182^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115319349 - 2¹ = 1115319347 is a prime.

Together with 1115319347, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115319341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557659674 + 557659675.

It is an arithmetic number, because the mean of its divisors is an integer number (557659675).

Almost surely, 2^1115319349 is an apocalyptic number.

It is an amenable number.

1115319349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115319349 is an equidigital number, since it uses as much as digits as its factorization.

1115319349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 37.

The square root of 1115319349 is about 33396.3972458108. The cubic root of 1115319349 is about 1037.0501186679.

The spelling of 1115319349 in words is "one billion, one hundred fifteen million, three hundred nineteen thousand, three hundred forty-nine".