11443504401 has 48 divisors (see below), whose sum is σ = 19196835840. Its totient is φ = 6433884000.

The previous prime is 11443504379. The next prime is 11443504409. The reversal of 11443504401 is 10440534411.

11443504401 is a `hidden beast` number, since 114 + 4 + 3 + 504 + 40 + 1 = 666.

It is not a de Polignac number, because 11443504401 - 2¹⁰ = 11443503377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11443504409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1308120 + ... + 1316838.

It is an arithmetic number, because the mean of its divisors is an integer number (399934080).

Almost surely, 2^11443504401 is an apocalyptic number.

It is an amenable number.

11443504401 is a deficient number, since it is larger than the sum of its proper divisors (7753331439).

11443504401 is a wasteful number, since it uses less digits than its factorization.

11443504401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9066 (or 9063 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 11443504401 in words is "eleven billion, four hundred forty-three million, five hundred four thousand, four hundred one".