13361623410505 has 64 divisors (see below), whose sum is σ = 17907104678400. Its totient is φ = 9529480396800.

The previous prime is 13361623410503. The next prime is 13361623410511. The reversal of 13361623410505 is 50501432616331.

It is not a de Polignac number, because 13361623410505 - 2¹ = 13361623410503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13361623410503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21745257 + ... + 22351273.

It is an arithmetic number, because the mean of its divisors is an integer number (279798510600).

Almost surely, 2^{13361623410505} is an apocalyptic number.

It is an amenable number.

13361623410505 is a deficient number, since it is larger than the sum of its proper divisors (4545481267895).

13361623410505 is a wasteful number, since it uses less digits than its factorization.

13361623410505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606274.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 13361623410505 in words is "thirteen trillion, three hundred sixty-one billion, six hundred twenty-three million, four hundred ten thousand, five hundred five".