13530545011 has 4 divisors (see below), whose sum is σ = 13732493512. Its totient is φ = 13328596512.

The previous prime is 13530545009. The next prime is 13530545027. The reversal of 13530545011 is 11054503531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13530545011 - 2¹ = 13530545009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13530545711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100974150 + ... + 100974283.

It is an arithmetic number, because the mean of its divisors is an integer number (3433123378).

Almost surely, 2^13530545011 is an apocalyptic number.

13530545011 is a deficient number, since it is larger than the sum of its proper divisors (201948501).

13530545011 is an equidigital number, since it uses as much as digits as its factorization.

13530545011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201948500.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 13530545011 in words is "thirteen billion, five hundred thirty million, five hundred forty-five thousand, eleven".