13665082001205 has 32 divisors (see below), whose sum is σ = 22010075888256. Its totient is φ = 7239507738624.

The previous prime is 13665082001171. The next prime is 13665082001227. The reversal of 13665082001205 is 50210028056631.

It is not a de Polignac number, because 13665082001205 - 2¹² = 13665081997109 is a prime.

It is a congruent 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, 1558527 + ... + 5455196.

It is an arithmetic number, because the mean of its divisors is an integer number (687814871508).

Almost surely, 2^{13665082001205} is an apocalyptic number.

13665082001205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13665082001205 is a deficient number, since it is larger than the sum of its proper divisors (8344993887051).

13665082001205 is a wasteful number, since it uses less digits than its factorization.

13665082001205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7014597.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 13665082001205 in words is "thirteen trillion, six hundred sixty-five billion, eighty-two million, one thousand, two hundred five".