11896466549 has 16 divisors (see below), whose sum is σ = 13229153280. Its totient is φ = 10605840960.

The previous prime is 11896466537. The next prime is 11896466573. The reversal of 11896466549 is 94566469811.

11896466549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-11896466549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11896466579) 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, 1767212 + ... + 1773930.

It is an arithmetic number, because the mean of its divisors is an integer number (826822080).

Almost surely, 2^11896466549 is an apocalyptic number.

It is an amenable number.

11896466549 is a deficient number, since it is larger than the sum of its proper divisors (1332686731).

11896466549 is a wasteful number, since it uses less digits than its factorization.

11896466549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9820.

The product of its digits is 11197440, while the sum is 59.

The spelling of 11896466549 in words is "eleven billion, eight hundred ninety-six million, four hundred sixty-six thousand, five hundred forty-nine".