11518633349 has 2 divisors, whose sum is σ = 11518633350. Its totient is φ = 11518633348.

The previous prime is 11518633331. The next prime is 11518633363. The reversal of 11518633349 is 94333681511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8490332449 + 3028300900 = 92143^2 + 55030^2 .

It is a cyclic number.

It is not a de Polignac number, because 11518633349 - 2¹⁶ = 11518567813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11518633949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5759316674 + 5759316675.

It is an arithmetic number, because the mean of its divisors is an integer number (5759316675).

Almost surely, 2^11518633349 is an apocalyptic number.

It is an amenable number.

11518633349 is a deficient number, since it is larger than the sum of its proper divisors (1).

11518633349 is an equidigital number, since it uses as much as digits as its factorization.

11518633349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 44.

The spelling of 11518633349 in words is "eleven billion, five hundred eighteen million, six hundred thirty-three thousand, three hundred forty-nine".