13113686817370 has 8 divisors (see below), whose sum is σ = 23604636271284. Its totient is φ = 5245474726944.

The previous prime is 13113686817353. The next prime is 13113686817391. The reversal of 13113686817370 is 7371868631131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12448837380681 + 664849436689 = 3528291^2 + 815383^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655684340859 + ... + 655684340878.

Almost surely, 2^{13113686817370} is an apocalyptic number.

13113686817370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13113686817370 is a deficient number, since it is larger than the sum of its proper divisors (10490949453914).

13113686817370 is a wasteful number, since it uses less digits than its factorization.

13113686817370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311368681744.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 13113686817370 in words is "thirteen trillion, one hundred thirteen billion, six hundred eighty-six million, eight hundred seventeen thousand, three hundred seventy".