13423510502506 has 16 divisors (see below), whose sum is σ = 21684566610504. Its totient is φ = 6195342311424.

The previous prime is 13423510502447. The next prime is 13423510502531. The reversal of 13423510502506 is 60520501532431.

It can be written as a sum of positive squares in 4 ways, for example, as 13305386999025 + 118123503481 = 3647655^2 + 343691^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3840075 + ... + 6449278.

Almost surely, 2^{13423510502506} is an apocalyptic number.

13423510502506 is a deficient number, since it is larger than the sum of its proper divisors (8261056107998).

13423510502506 is a wasteful number, since it uses less digits than its factorization.

13423510502506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10339545.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 13423510502506 in words is "thirteen trillion, four hundred twenty-three billion, five hundred ten million, five hundred two thousand, five hundred six".