13453532515 has 8 divisors (see below), whose sum is σ = 16167880368. Its totient is φ = 10747065120.

The previous prime is 13453532461. The next prime is 13453532537. The reversal of 13453532515 is 51523535431.

13453532515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13453532515 - 2⁹ = 13453532003 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1966356 + ... + 1973185.

It is an arithmetic number, because the mean of its divisors is an integer number (2020985046).

Almost surely, 2^13453532515 is an apocalyptic number.

13453532515 is a deficient number, since it is larger than the sum of its proper divisors (2714347853).

13453532515 is an equidigital number, since it uses as much as digits as its factorization.

13453532515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3940229.

The product of its digits is 135000, while the sum is 37.

The spelling of 13453532515 in words is "thirteen billion, four hundred fifty-three million, five hundred thirty-two thousand, five hundred fifteen".