13155204345305 has 32 divisors (see below), whose sum is σ = 17817567183360. Its totient is φ = 9236281985280.

The previous prime is 13155204345287. The next prime is 13155204345341. The reversal of 13155204345305 is 50354340255131.

It is not a de Polignac number, because 13155204345305 - 2²⁸ = 13154935909849 is a prime.

It is a super-3 number, since 3×13155204345305³ (a number of 40 digits) contains 333 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, 11534384 + ... + 12623486.

It is an arithmetic number, because the mean of its divisors is an integer number (556798974480).

Almost surely, 2^{13155204345305} is an apocalyptic number.

It is an amenable number.

13155204345305 is a deficient number, since it is larger than the sum of its proper divisors (4662362838055).

13155204345305 is a wasteful number, since it uses less digits than its factorization.

13155204345305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096721.

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 13155204345305 in words is "thirteen trillion, one hundred fifty-five billion, two hundred four million, three hundred forty-five thousand, three hundred five".