11505110649 has 16 divisors (see below), whose sum is σ = 15389975040. Its totient is φ = 7645190400.

The previous prime is 11505110647. The next prime is 11505110651. The reversal of 11505110649 is 94601150511.

11505110649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11505110647) and next prime (11505110651).

It is not a de Polignac number, because 11505110649 - 2¹ = 11505110647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11505110647) 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 15 ways as a sum of consecutive naturals, for example, 2113359 + ... + 2118795.

It is an arithmetic number, because the mean of its divisors is an integer number (961873440).

Almost surely, 2^11505110649 is an apocalyptic number.

It is an amenable number.

11505110649 is a deficient number, since it is larger than the sum of its proper divisors (3884864391).

11505110649 is a wasteful number, since it uses less digits than its factorization.

11505110649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7600.

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 11505110649 in words is "eleven billion, five hundred five million, one hundred ten thousand, six hundred forty-nine".