13530212541 has 24 divisors (see below), whose sum is σ = 20273198400. Its totient is φ = 9017596512.

The previous prime is 13530212513. The next prime is 13530212551. The reversal of 13530212541 is 14521203531.

13530212541 is a `hidden beast` number, since 1 + 3 + 530 + 2 + 125 + 4 + 1 = 666.

It is not a de Polignac number, because 13530212541 - 2¹⁰ = 13530211517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13530212551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1306801 + ... + 1317113.

It is an arithmetic number, because the mean of its divisors is an integer number (844716600).

Almost surely, 2^13530212541 is an apocalyptic number.

It is an amenable number.

13530212541 is a deficient number, since it is larger than the sum of its proper divisors (6742985859).

13530212541 is an equidigital number, since it uses as much as digits as its factorization.

13530212541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15727 (or 15715 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 13530212541 in words is "thirteen billion, five hundred thirty million, two hundred twelve thousand, five hundred forty-one".