13453532511 has 4 divisors (see below), whose sum is σ = 17938043352. Its totient is φ = 8969021672.

The previous prime is 13453532461. The next prime is 13453532537. The reversal of 13453532511 is 11523535431.

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 13453532511 - 2⁶ = 13453532447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13453532011) 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 3 ways as a sum of consecutive naturals, for example, 2242255416 + ... + 2242255421.

It is an arithmetic number, because the mean of its divisors is an integer number (4484510838).

Almost surely, 2^13453532511 is an apocalyptic number.

13453532511 is a deficient number, since it is larger than the sum of its proper divisors (4484510841).

13453532511 is an equidigital number, since it uses as much as digits as its factorization.

13453532511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4484510840.

The product of its digits is 27000, while the sum is 33.

The spelling of 13453532511 in words is "thirteen billion, four hundred fifty-three million, five hundred thirty-two thousand, five hundred eleven".