13145532535515 has 8 divisors (see below), whose sum is σ = 21032852056848. Its totient is φ = 7010950685600.

The previous prime is 13145532535459. The next prime is 13145532535519. The reversal of 13145532535515 is 51553523554131.

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

It is not a de Polignac number, because 13145532535515 - 2⁶ = 13145532535451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13145532535519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438184417836 + ... + 438184417865.

It is an arithmetic number, because the mean of its divisors is an integer number (2629106507106).

Almost surely, 2^{13145532535515} is an apocalyptic number.

13145532535515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13145532535515 is a deficient number, since it is larger than the sum of its proper divisors (7887319521333).

13145532535515 is an equidigital number, since it uses as much as digits as its factorization.

13145532535515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876368835709.

The product of its digits is 3375000, while the sum is 48.

The spelling of 13145532535515 in words is "thirteen trillion, one hundred forty-five billion, five hundred thirty-two million, five hundred thirty-five thousand, five hundred fifteen".