1115896349 has 2 divisors, whose sum is σ = 1115896350. Its totient is φ = 1115896348.

The previous prime is 1115896319. The next prime is 1115896381. The reversal of 1115896349 is 9436985111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1077021124 + 38875225 = 32818^2 + 6235^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115896349 - 2¹⁶ = 1115830813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115896319) 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, 557948174 + 557948175.

It is an arithmetic number, because the mean of its divisors is an integer number (557948175).

Almost surely, 2^1115896349 is an apocalyptic number.

It is an amenable number.

1115896349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115896349 is an equidigital number, since it uses as much as digits as its factorization.

1115896349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 47.

The square root of 1115896349 is about 33405.0347851937. The cubic root of 1115896349 is about 1037.2289238864.

The spelling of 1115896349 in words is "one billion, one hundred fifteen million, eight hundred ninety-six thousand, three hundred forty-nine".