13208522539845 has 16 divisors (see below), whose sum is σ = 21138486670080. Its totient is φ = 7042928485824.

The previous prime is 13208522539829. The next prime is 13208522539867. The reversal of 13208522539845 is 54893522580231.

It is a happy number.

It is not a de Polignac number, because 13208522539845 - 2⁴ = 13208522539829 is a prime.

It is a super-2 number, since 2×13208522539845² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 100986765 + ... + 101117474.

It is an arithmetic number, because the mean of its divisors is an integer number (1321155416880).

Almost surely, 2^{13208522539845} is an apocalyptic number.

13208522539845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13208522539845 is a deficient number, since it is larger than the sum of its proper divisors (7929964130235).

13208522539845 is a wasteful number, since it uses less digits than its factorization.

13208522539845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202108604.

The product of its (nonzero) digits is 20736000, while the sum is 57.

The spelling of 13208522539845 in words is "thirteen trillion, two hundred eight billion, five hundred twenty-two million, five hundred thirty-nine thousand, eight hundred forty-five".