11429448864 has 48 divisors (see below), whose sum is σ = 30012520608. Its totient is φ = 3808518912.

The previous prime is 11429448829. The next prime is 11429448893. The reversal of 11429448864 is 46884492411.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287274 + ... + 324630.

It is an arithmetic number, because the mean of its divisors is an integer number (625260846).

Almost surely, 2^11429448864 is an apocalyptic number.

It is an amenable number.

11429448864 is an abundant number, since it is smaller than the sum of its proper divisors (18583071744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11429448864 is a wasteful number, since it uses less digits than its factorization.

11429448864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40557 (or 40549 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 51.

The spelling of 11429448864 in words is "eleven billion, four hundred twenty-nine million, four hundred forty-eight thousand, eight hundred sixty-four".