13820653721185 has 32 divisors (see below), whose sum is σ = 16654306660992. Its totient is φ = 11010305756160.

The previous prime is 13820653721159. The next prime is 13820653721209. The reversal of 13820653721185 is 58112735602831.

It is not a de Polignac number, because 13820653721185 - 2⁵ = 13820653721153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2208827577 + ... + 2208833833.

It is an arithmetic number, because the mean of its divisors is an integer number (520447083156).

Almost surely, 2^{13820653721185} is an apocalyptic number.

It is an amenable number.

13820653721185 is a deficient number, since it is larger than the sum of its proper divisors (2833652939807).

13820653721185 is an equidigital number, since it uses as much as digits as its factorization.

13820653721185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8593.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 13820653721185 in words is "thirteen trillion, eight hundred twenty billion, six hundred fifty-three million, seven hundred twenty-one thousand, one hundred eighty-five".