13855513768355 has 8 divisors (see below), whose sum is σ = 19001847453792. Its totient is φ = 9500923726848.

The previous prime is 13855513768303. The next prime is 13855513768357. The reversal of 13855513768355 is 55386731555831.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13855513768355 - 2²⁴ = 13855496991139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13855513768291 and 13855513768300.

It is not an unprimeable number, because it can be changed into a prime (13855513768357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197935910942 + ... + 197935911011.

It is an arithmetic number, because the mean of its divisors is an integer number (2375230931724).

Almost surely, 2^{13855513768355} is an apocalyptic number.

13855513768355 is a deficient number, since it is larger than the sum of its proper divisors (5146333685437).

13855513768355 is an equidigital number, since it uses as much as digits as its factorization.

13855513768355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395871821965.

The product of its digits is 226800000, while the sum is 65.

The spelling of 13855513768355 in words is "thirteen trillion, eight hundred fifty-five billion, five hundred thirteen million, seven hundred sixty-eight thousand, three hundred fifty-five".