13173140643355 has 32 divisors (see below), whose sum is σ = 20166721648128. Its totient is φ = 8020855180800.

The previous prime is 13173140643301. The next prime is 13173140643413. The reversal of 13173140643355 is 55334604137131.

It is not a de Polignac number, because 13173140643355 - 2⁷ = 13173140643227 is a prime.

It is a super-2 number, since 2×13173140643355² (a number of 27 digits) contains 22 as substring.

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, 397843326 + ... + 397876435.

It is an arithmetic number, because the mean of its divisors is an integer number (630210051504).

Almost surely, 2^{13173140643355} is an apocalyptic number.

13173140643355 is a deficient number, since it is larger than the sum of its proper divisors (6993581004773).

13173140643355 is a wasteful number, since it uses less digits than its factorization.

13173140643355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795719827.

The product of its (nonzero) digits is 1360800, while the sum is 46.

The spelling of 13173140643355 in words is "thirteen trillion, one hundred seventy-three billion, one hundred forty million, six hundred forty-three thousand, three hundred fifty-five".