13646020206525 has 96 divisors (see below), whose sum is σ = 25813372600320. Its totient is φ = 6231195371520.

The previous prime is 13646020206491. The next prime is 13646020206551. The reversal of 13646020206525 is 52560202064631.

It is not a de Polignac number, because 13646020206525 - 2⁷ = 13646020206397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2337044556 + ... + 2337050394.

It is an arithmetic number, because the mean of its divisors is an integer number (268889297920).

Almost surely, 2^{13646020206525} is an apocalyptic number.

13646020206525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13646020206525 is a deficient number, since it is larger than the sum of its proper divisors (12167352393795).

13646020206525 is a wasteful number, since it uses less digits than its factorization.

13646020206525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10083 (or 10078 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 13646020206525 in words is "thirteen trillion, six hundred forty-six billion, twenty million, two hundred six thousand, five hundred twenty-five".