13530555441 has 32 divisors (see below), whose sum is σ = 21652615040. Its totient is φ = 8301268800.

The previous prime is 13530555431. The next prime is 13530555469. The reversal of 13530555441 is 14455503531.

13530555441 is a `hidden beast` number, since 1 + 35 + 30 + 5 + 554 + 41 = 666.

It is not a de Polignac number, because 13530555441 - 2²⁵ = 13497001009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13530555396 and 13530555405.

It is not an unprimeable number, because it can be changed into a prime (13530555421) 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, 57951 + ... + 174411.

It is an arithmetic number, because the mean of its divisors is an integer number (676644220).

Almost surely, 2^13530555441 is an apocalyptic number.

It is an amenable number.

13530555441 is a deficient number, since it is larger than the sum of its proper divisors (8122059599).

13530555441 is a wasteful number, since it uses less digits than its factorization.

13530555441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116814 (or 116808 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 13530555441 in words is "thirteen billion, five hundred thirty million, five hundred fifty-five thousand, four hundred forty-one".