13528808065 has 16 divisors (see below), whose sum is σ = 16449511680. Its totient is φ = 10679909760.

The previous prime is 13528808039. The next prime is 13528808087. The reversal of 13528808065 is 56080882531.

It is not a de Polignac number, because 13528808065 - 2¹¹ = 13528806017 is a prime.

It is a super-3 number, since 3×13528808065³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 753877 + ... + 771613.

It is an arithmetic number, because the mean of its divisors is an integer number (1028094480).

Almost surely, 2^13528808065 is an apocalyptic number.

It is an amenable number.

13528808065 is a deficient number, since it is larger than the sum of its proper divisors (2920703615).

13528808065 is a wasteful number, since it uses less digits than its factorization.

13528808065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19752.

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 13528808065 in words is "thirteen billion, five hundred twenty-eight million, eight hundred eight thousand, sixty-five".