11401043664 has 20 divisors (see below), whose sum is σ = 29452696256. Its totient is φ = 3800347872.

The previous prime is 11401043617. The next prime is 11401043669. The reversal of 11401043664 is 46634010411.

11401043664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401043669) 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 3 ways as a sum of consecutive naturals, for example, 118760824 + ... + 118760919.

Almost surely, 2^11401043664 is an apocalyptic number.

It is an amenable number.

11401043664 is an abundant number, since it is smaller than the sum of its proper divisors (18051652592).

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

11401043664 is a wasteful number, since it uses less digits than its factorization.

11401043664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237521754 (or 237521748 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 11401043664 in words is "eleven billion, four hundred one million, forty-three thousand, six hundred sixty-four".