13365204661005 has 16 divisors (see below), whose sum is σ = 21384415736064. Its totient is φ = 7128079726400.

The previous prime is 13365204660979. The next prime is 13365204661013. The reversal of 13365204661005 is 50016640256331.

It is not a de Polignac number, because 13365204661005 - 2⁸ = 13365204660749 is a prime.

It is a super-2 number, since 2×13365204661005² (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, 2201980 + ... + 5619530.

It is an arithmetic number, because the mean of its divisors is an integer number (1336525983504).

Almost surely, 2^{13365204661005} is an apocalyptic number.

13365204661005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13365204661005 is a deficient number, since it is larger than the sum of its proper divisors (8019211075059).

13365204661005 is a wasteful number, since it uses less digits than its factorization.

13365204661005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3678276.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 13365204661005 in words is "thirteen trillion, three hundred sixty-five billion, two hundred four million, six hundred sixty-one thousand, five".