11115555249 has 8 divisors (see below), whose sum is σ = 15008344960. Its totient is φ = 7316567856.

The previous prime is 11115555229. The next prime is 11115555251. The reversal of 11115555249 is 94255551111.

11115555249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11115555249 - 2¹¹ = 11115553201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11115555229) 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 in 7 ways as a sum of consecutive naturals, for example, 23450302 + ... + 23450775.

It is an arithmetic number, because the mean of its divisors is an integer number (1876043120).

Almost surely, 2^11115555249 is an apocalyptic number.

It is an amenable number.

11115555249 is a deficient number, since it is larger than the sum of its proper divisors (3892789711).

11115555249 is an equidigital number, since it uses as much as digits as its factorization.

11115555249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46901159.

The product of its digits is 45000, while the sum is 39.

The spelling of 11115555249 in words is "eleven billion, one hundred fifteen million, five hundred fifty-five thousand, two hundred forty-nine".