13443520554011 has 32 divisors (see below), whose sum is σ = 14474524753920. Its totient is φ = 12445714864800.

The previous prime is 13443520553993. The next prime is 13443520554041. The reversal of 13443520554011 is 11045502534431.

It is a cyclic number.

It is not a de Polignac number, because 13443520554011 - 2³⁰ = 13442446812187 is a prime.

It is a super-2 number, since 2×13443520554011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13443520554041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2928231326 + ... + 2928235916.

It is an arithmetic number, because the mean of its divisors is an integer number (452328898560).

Almost surely, 2^{13443520554011} is an apocalyptic number.

13443520554011 is a deficient number, since it is larger than the sum of its proper divisors (1031004199909).

13443520554011 is a wasteful number, since it uses less digits than its factorization.

13443520554011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9015.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 13443520554011 in words is "thirteen trillion, four hundred forty-three billion, five hundred twenty million, five hundred fifty-four thousand, eleven".