13355145515203 has 24 divisors (see below), whose sum is σ = 14737830149376. Its totient is φ = 12077493951600.

The previous prime is 13355145515183. The next prime is 13355145515209. The reversal of 13355145515203 is 30251554155331.

It is not a de Polignac number, because 13355145515203 - 2⁵ = 13355145515171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13355145515203.

It is not an unprimeable number, because it can be changed into a prime (13355145515209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2438818 + ... + 5714728.

It is an arithmetic number, because the mean of its divisors is an integer number (614076256224).

Almost surely, 2^{13355145515203} is an apocalyptic number.

13355145515203 is a deficient number, since it is larger than the sum of its proper divisors (1382684634173).

13355145515203 is a wasteful number, since it uses less digits than its factorization.

13355145515203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276463 (or 3276444 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 43.

The spelling of 13355145515203 in words is "thirteen trillion, three hundred fifty-five billion, one hundred forty-five million, five hundred fifteen thousand, two hundred three".