13524520115 has 4 divisors (see below), whose sum is σ = 16229424144. Its totient is φ = 10819616088.

The previous prime is 13524520073. The next prime is 13524520193. The reversal of 13524520115 is 51102542531.

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 13524520115 - 2⁸ = 13524519859 is a prime.

It is a super-2 number, since 2×13524520115² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 1352452007 + ... + 1352452016.

It is an arithmetic number, because the mean of its divisors is an integer number (4057356036).

Almost surely, 2^13524520115 is an apocalyptic number.

13524520115 is a deficient number, since it is larger than the sum of its proper divisors (2704904029).

13524520115 is an equidigital number, since it uses as much as digits as its factorization.

13524520115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704904028.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 13524520115 in words is "thirteen billion, five hundred twenty-four million, five hundred twenty thousand, one hundred fifteen".